Cita APA (7a ed.)

Kosminsky, E. A., & Toynbee, A. (1966). Professor Toynbee's philosophy of history (2nd printing.). Progress Publishers.

Cita Chicago Style (17a ed.)

Kosminsky, Evgenij Alekseevic, y Arnold Toynbee. Professor Toynbee's Philosophy of History. 2nd printing. Moscow: Progress Publishers, 1966.

Cita MLA (9a ed.)

Kosminsky, Evgenij Alekseevic, y Arnold Toynbee. Professor Toynbee's Philosophy of History. 2nd printing. Progress Publishers, 1966.