Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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