After determining that a scholarly journal is sufficiently high quality, reputable, and on topic for you, the next step is to look at its submissions and peer review process. You will always be able to find that kind of information on the journal's public website.
Make note of:
- periods when they are accepting or not accepting submissions
- required technical format
- required document formatting and citation style
- additional materials you must submit (for example, your human or animal subjects review approvals, consent documents and privacy releases from human participants)
- requirements for the abstract, keywords, subject headings
- guidelines on images and diagrams (size, quality, format, etc.)
- whether a cover letter is required, and what it should include
- ethical guidelines and restrictions
- approximately when you can expect to be notified at different stages
- what sort of review process the journal uses (double blind or single blind peer review, editorial review...
- miscellaneous factors that differ by discipline and even from journal to journal