APA (7th ed.) Citation

Manley, M. (1997). Usmle step 1 starter kit. s.n.

Chicago Style (17th ed.) Citation

Manley, Michael. Usmle Step 1 Starter Kit. New York: s.n, 1997.

MLA (9th ed.) Citation

Manley, Michael. Usmle Step 1 Starter Kit. s.n, 1997.