Acknowledge the contributors. There can be contributors that do not meet the standard called “authorship”. At the end of the article one can acknowledge them.
Maintaining research integrity is key as it prevents misconduct which may include forgery & / plagiarism at the proposal stage , during research conduct, reviewing or dissemination of research findings.
Individual Journals and other publications for various disciplines will have their own way of dealing with their ethical publication practices. There are significant differences between national and cultural groups in their cultural practices in publishing. Consult the following URL for an excellent general summary
Usually publications have their rules or codes. Perhaps in the matter of following an ethics of publication and editing is in respect to copyright, respect for the sources, which must be duly expressed. The originality and be transparent and clear both in the syntax and in the presentation of the method and the results. I recommend that you review publications from various disciplines, it will help you to see the common aspects of each discipline.
One thing for sure, for someone to be considered an author he or she must have contributed substantially to the manuscript preparation, though obvious, it ain't as obvious!
The study protocol must have met the standard ethical considerations and approved by ethical review board if necessary. Data used to develop manuscript should be valid. Authors in the publication should have played genuine roles. Journal should be clear on whether publication is peer reviewed or not. In my country-Kenya commission of university education awards a point (1 point) to publications which are nit peer reviewed! sounds ridiculous..but i think it encourages new researchers to learn how to publish.
Acknowledging of the already existing literature so as to avoid plagiarism, Ensuring coauthors have played a significant role during research period, analysis of data and at the time of development of the manuscript and revising so as one to qualify to be the coauthor and avoiding of publishing forged or stolen work.
See today’s most pressing publication ethics issues in this research!
58% encountered issues with detecting plagiarism and poor attribution standards.
44% said they felt fraudulent submissions were among the most serious issues. Examples include hoax articles written to discredit a journal, topic or field, to submissions by a third party on an author’s behalf.
Half of the respondents had encountered self-plagiarism with 22% saying it arose frequently. Editors reported that this was likely to increase with the current academic culture of measuring outputs...
Just go through different publishers' publication ethics. Elsevier has its own, so does Springer and others. If one abides by those, I don't think we will be having issues.