Cita APA (7a ed.)

Keating, B., & Tremewan Martin, D. (1978). Cases and problems in political economy. McGraw-Hill International.

Cita Chicago Style (17a ed.)

Keating, Barry, y Dolores Tremewan Martin. Cases and Problems in Political Economy. New York [etc.]: McGraw-Hill International, 1978.

Cita MLA (9a ed.)

Keating, Barry, y Dolores Tremewan Martin. Cases and Problems in Political Economy. McGraw-Hill International, 1978.