Cita APA (7a ed.)

Quigley, C. N., & Longaker, R. P. (1976). Conflict, politics, and freedom. Ginn.

Cita Chicago Style (17a ed.)

Quigley, Charles N., y Richard P. Longaker. Conflict, Politics, and Freedom. Lexington, Mass.: Ginn, 1976.

Cita MLA (8a ed.)

Quigley, Charles N., y Richard P. Longaker. Conflict, Politics, and Freedom. Ginn, 1976.