APA (7th ed.) Citation

Flexner, S., & Flexner, J. T. (1941). William Henry Welch and the heroic age of American medicine (1. publ.). Viking Press.

Chicago Style (17th ed.) Citation

Flexner, Simon, and James Thomas Flexner. William Henry Welch and the Heroic Age of American Medicine. 1. publ. New York: Viking Press, 1941.

MLA (9th ed.) Citation

Flexner, Simon, and James Thomas Flexner. William Henry Welch and the Heroic Age of American Medicine. 1. publ. Viking Press, 1941.