APA (7th ed.) Citation
Gelfand, H., & Walker, C. J. (2002). Mastering APA style: Student's workbook and training guide (6th ed.). American Psychological Association.
Chicago Style (17th ed.) Citation
Gelfand, Harold, and Charles J. Walker. Mastering APA Style: Student's Workbook and Training Guide. 6th ed. Washington, DC: American Psychological Association, 2002.
MLA (9th ed.) Citation
Gelfand, Harold, and Charles J. Walker. Mastering APA Style: Student's Workbook and Training Guide. 6th ed. American Psychological Association, 2002.
Warning: These citations may not always be 100% accurate.