Cita APA

Vogt, W. 1., & Vogt, W. 1. (1946). The Population of Costa Rica and its natural resources. Washington: Pan American Union.

Citación estilo Chicago

Vogt, William 1902-1968, y William 1902-1968 Vogt. The Population of Costa Rica and Its Natural Resources. Washington: Pan American Union, 1946.

Cita MLA

Vogt, William 1902-1968, y William 1902-1968 Vogt. The Population of Costa Rica and Its Natural Resources. Washington: Pan American Union, 1946.