Cita APA (7th ed.)

Pan American Union. (1946). Peru (1909-.). [s. n.].

Cita Chicago (17th ed.)

Pan American Union. Peru. 1909-. Washington, D. C: [s. n.], 1946.

Cita MLA (9th ed.)

Pan American Union. Peru. 1909-. [s. n.], 1946.