APA (7th ed.) Citation

Stewart, M. A., O'Toole, F. J., & Bomstad, L. (1998). GMAT CAT: Answers to the real essay questions. Macmillan.

Chicago Style (17th ed.) Citation

Stewart, Mark Alan, Frederick J. O'Toole, and Linda Bomstad. GMAT CAT: Answers to the Real Essay Questions. New York: Macmillan, 1998.

MLA (9th ed.) Citation

Stewart, Mark Alan, et al. GMAT CAT: Answers to the Real Essay Questions. Macmillan, 1998.