Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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