APA (7th ed.) Citation

Haagensen, C. D., & Lloyd, W. E. B. (1943). A hundred years of medicine. Sheridan house.

Chicago Style (17th ed.) Citation

Haagensen, C. D., and Wyndham E. B. Lloyd. A Hundred Years of Medicine. New York: Sheridan house, 1943.

MLA (9th ed.) Citation

Haagensen, C. D., and Wyndham E. B. Lloyd. A Hundred Years of Medicine. Sheridan house, 1943.