Cita APA (7a ed.)

Smith, E. P., Muzzey, D. s., & Lloyd, M. (1952). World history: The struggle of civilization (Revised ed.). Ginn.

Cita Chicago Style (17a ed.)

Smith, Emma Peters, David saville Muzzey, y Minnie Lloyd. World History: The Struggle of Civilization. Revised ed. Boston [u.a.]: Ginn, 1952.

Cita MLA (9a ed.)

Smith, Emma Peters, et al. World History: The Struggle of Civilization. Revised ed. Ginn, 1952.