APA (7th ed.) Citation

Leake, C. D. (1975). An historical account of pharmacology to the 20th century. Thomas.

Chicago Style (17th ed.) Citation

Leake, Chauncey Depew. An Historical Account of Pharmacology to the 20th Century. Springfield, Ill., U.S.A.: Thomas, 1975.

MLA (9th ed.) Citation

Leake, Chauncey Depew. An Historical Account of Pharmacology to the 20th Century. Thomas, 1975.