Cita APA (7a ed.)

Whitten, N. E. (1974). Black frontiersmen: A south american case. Schenkman Publishing Company.

Cita Chicago Style (17a ed.)

Whitten, Norman E. Black Frontiersmen: A South American Case. Nueva York: Schenkman Publishing Company, 1974.

Cita MLA (8a ed.)

Whitten, Norman E. Black Frontiersmen: A South American Case. Schenkman Publishing Company, 1974.