Segueni makes an important point about the career stage of the scholar being a factor.Senior scholars tend to get invitations to publish in handbooks and in high quality edited volumes.Publishing books differs greatly from book chapters. In some disciplines , like the humanities books with good publishers are the gold standard for scholarly work.Publishing books also requires a major investment.
Journal publications tend to get more citations. However conceptual and theoretical contributions are not generally sought after by journals and may get good visibility as part of a good edited book.
Book chapters won't be get much citation as compared to papers. For early career researchers one/two book chapters can give you credit, but remember that you will be evaluated mainly on papers, so keep the ratio of books/papers low.
It would be better to publish your research paper in some reputed journal for its greater visibility, which would help in increased citations of your research work.
Publishing research papers in journal carries more weightage in career than books. Reputed, standard journals have better quality control mechanism. So content of the research gets better opportunity for corrections.
You must be knowing that scientific publications can be categorized as primary, secondary, and tertiary publications based on their position in the publication cycle. Whether you select a book or journal is dependent upon the type of article you make. If it is an original research paper, select a primary journal with good impact factor. If it is a review paper, you can select secondary review journals or even books.
In the begining it's important to publish in good and reputed journal. It help to gain visibility and to have good citation. The next step can be publishing book chapter or books
Segueni makes an important point about the career stage of the scholar being a factor.Senior scholars tend to get invitations to publish in handbooks and in high quality edited volumes.Publishing books differs greatly from book chapters. In some disciplines , like the humanities books with good publishers are the gold standard for scholarly work.Publishing books also requires a major investment.
I think it depends on what audience you are trying to reach and how you view yourself as a scholar. What is your mission? Who do you want to benefit from your knowledge?