Citazione Stile APA (7a Edizione)

Samuel, M. (1956). The professor and the fossil: Some observations on Arnold J. Toynbee's. Knopf.

Citazione stile Chigago Style (17a edizione)

Samuel, Maurice. The Professor and the Fossil: Some Observations on Arnold J. Toynbee's. New York: Knopf, 1956.

Citatione MLA (9a ed.)

Samuel, Maurice. The Professor and the Fossil: Some Observations on Arnold J. Toynbee's. Knopf, 1956.