Cita APA (7a ed.)

Schnitzer, M. C., & Nordyke, J. W. (1971). Comparative economic systems. South-Western.

Cita Chicago Style (17a ed.)

Schnitzer, Martin C., y James W. Nordyke. Comparative Economic Systems. Cincinnati [etc.]: South-Western, 1971.

Cita MLA (9a ed.)

Schnitzer, Martin C., y James W. Nordyke. Comparative Economic Systems. South-Western, 1971.