Cita APA (7a ed.)

Toynbee, A. J. Introduction. The genesis of civilizations (2a ed.).

Cita Chicago Style (17a ed.)

Toynbee, Arnold J. Introduction. The Genesis of Civilizations. 2a ed.

Cita MLA (8a ed.)

Toynbee, Arnold J. Introduction. The Genesis of Civilizations. 2a ed.