Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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