APA (7th ed.) Citation

Gordon, E. S., & Sevringhaus, E. L. (1942). Vitamin therapy in general practice. The Year book publishers, inc.

Chicago Style (17th ed.) Citation

Gordon, Edgar S., and Elmer L. Sevringhaus. Vitamin Therapy in General Practice. Chicago, Ill.: The Year book publishers, inc, 1942.

MLA (8th ed.) Citation

Gordon, Edgar S., and Elmer L. Sevringhaus. Vitamin Therapy in General Practice. The Year book publishers, inc, 1942.