APA Style

PHILP, R, B. (2004). Herbal - Drug Interactions and Adverse Effects: an Evidence - Based Quick REference Guide (1). USA: The McGraw-Hill Companies, Inc..

MLA Style

PHILP, RICHARD, B.. "Herbal - Drug Interactions and Adverse Effects: an Evidence - Based Quick REference Guide". 1 USA: The McGraw-Hill Companies, Inc., 2004. Text.