APA (7th ed.) Citation

McGuigan, H., & Krug, E. E. (1951). An introduction to materia medica and pharmacology (6th ed.). Mosby.

Chicago Style (17th ed.) Citation

McGuigan, Hugh, and Elsie E. Krug. An Introduction to Materia Medica and Pharmacology. 6th ed. St. Louis: Mosby, 1951.

MLA (9th ed.) Citation

McGuigan, Hugh, and Elsie E. Krug. An Introduction to Materia Medica and Pharmacology. 6th ed. Mosby, 1951.