APA (7th ed.) Citation

Perkins, D., Snell, J. L., & Barzun, J. (1962). The education of historians in the United States. McGraw-Hill Book.

Chicago Style (17th ed.) Citation

Perkins, Dexter, John Leslie Snell, and Jacques Barzun. The Education of Historians in the United States. New York [etc.]: McGraw-Hill Book, 1962.

MLA (9th ed.) Citation

Perkins, Dexter, et al. The Education of Historians in the United States. McGraw-Hill Book, 1962.