APA (7th ed.) Citation

Farmer, P. (1951). The European world: A historical introduction. Knopf.

Chicago Style (17th ed.) Citation

Farmer, Paul. The European World: A Historical Introduction. New York: Knopf, 1951.

MLA (9th ed.) Citation

Farmer, Paul. The European World: A Historical Introduction. Knopf, 1951.

Warning: These citations may not always be 100% accurate.