APA (7th ed.) Citation

Porter, D. V. (1994). Dietary supplements: Brief chronology of recent events. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Porter, Donna Viola. Dietary Supplements: Brief Chronology of Recent Events. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1994.

MLA (9th ed.) Citation

Porter, Donna Viola. Dietary Supplements: Brief Chronology of Recent Events. Congressional Research Service, Library of Congress, 1994.