Cita APA (7th ed.)

Needler, M. C. (1964). Political systems of Latin America. D. van Nostrand.

Cita Chicago (17th ed.)

Needler, Martin C. Political Systems of Latin America. Princeton: D. van Nostrand, 1964.

Cita MLA (9th ed.)

Needler, Martin C. Political Systems of Latin America. D. van Nostrand, 1964.