APA Style

Sweetman, E, B, S, C. (2002). Martindale: the complete drug reference, 33rd ed. . London: London: Pharmaceutical Press, 1999.

MLA Style

Sweetman, Edited, By, Sean, C. "Martindale: the complete drug reference, 33rd ed.". London: London: Pharmaceutical Press, 1999, 2002. BOOKS.