Cita APA (7a ed.)

Ibarra, F., & Coelho, A. j. a. (1943). Brazilian Portuguese self-taught. Random house.

Cita Chicago Style (17a ed.)

Ibarra, Francisco, y Arthur joint author Coelho. Brazilian Portuguese Self-taught. New York: Random house, 1943.

Cita MLA (9a ed.)

Ibarra, Francisco, y Arthur joint author Coelho. Brazilian Portuguese Self-taught. Random house, 1943.