Cita APA (7a ed.)

Steward, J. H., & Mason, J. A. Tribal and linguistic distributions of South America. Bureau of American Ethnology.

Cita Chicago Style (17a ed.)

Steward, Julian H., y J. Alden Mason. Tribal and Linguistic Distributions of South America. [S.l.]: Bureau of American Ethnology.

Cita MLA (9a ed.)

Steward, Julian H., y J. Alden Mason. Tribal and Linguistic Distributions of South America. Bureau of American Ethnology.