APA (7th ed.) Citation

Gregg, A. (1956). Challenges to contemporary medicine. Columbia University Press.

Chicago Style (17th ed.) Citation

Gregg, Alan. Challenges to Contemporary Medicine. New York: Columbia University Press, 1956.

MLA (9th ed.) Citation

Gregg, Alan. Challenges to Contemporary Medicine. Columbia University Press, 1956.

Warning: These citations may not always be 100% accurate.