APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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