APA (7th ed.) Citation

Pollard, A. F. (1960). Factors in modern history (1st Beacon pbk. ed.). Beacon.

Chicago Style (17th ed.) Citation

Pollard, Albert Frederick. Factors in Modern History. 1st Beacon pbk. ed. Boston: Beacon, 1960.

MLA (9th ed.) Citation

Pollard, Albert Frederick. Factors in Modern History. 1st Beacon pbk. ed. Beacon, 1960.