APA (7th ed.) Citation

Sigerist, H. E., Paul, E., & Paul, C. (1933). The great doctors: A biographical history of medicine. [publisher not identified].

Chicago Style (17th ed.) Citation

Sigerist, Henry E., Eden Paul, and Cedar Paul. The Great Doctors: A Biographical History of Medicine. New York, W. W. Norton: [publisher not identified], 1933.

MLA (9th ed.) Citation

Sigerist, Henry E., et al. The Great Doctors: A Biographical History of Medicine. [publisher not identified], 1933.