Cita APA (7a ed.)

Laird, R. F., & Hoffmann, E. P. (1986). Soviet foreign policy in a changing world. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Laird, Robbin F., y Erik P. Hoffmann. Soviet Foreign Policy in a Changing World. Berlin [etc.]: Walter de Gruyter, 1986.

Cita MLA (9a ed.)

Laird, Robbin F., y Erik P. Hoffmann. Soviet Foreign Policy in a Changing World. Walter de Gruyter, 1986.