APA (7th ed.) Citation

Flexner, J. T. (1938). Doctors on horseback: Pioneers of American medicine. Heinemann.

Chicago Style (17th ed.) Citation

Flexner, James Thomas. Doctors on Horseback: Pioneers of American Medicine. London: Heinemann, 1938.

MLA (9th ed.) Citation

Flexner, James Thomas. Doctors on Horseback: Pioneers of American Medicine. Heinemann, 1938.

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