Recommended but not required:
American Psychological Association (2009). Publication Manual of the American Psychological Association (6th ed.). Washington DC: Author. ISBN: 978-1-4338-0561-5
Strunk and White (2000). The Elements of Style (4th ed.). Longman. ISBN: 978-0-205-30902-3
Hacker and Sommers (2018). A Pocket Manual of Style (8th ed.). Bedford Books. ISBN: 978-1-319-05740-4
Galvan (2017). Writing Literature Reviews: A Guide For Students of the Social and Behavioral Sciences (7th ed.). Routledge. ISBN: 978-0-415-31574-6