APA (7th ed.) Citation

Williams, E. B., & Pessoa, M. (1980). Conversational Brazilian-Portuguese: Intended for self-study and for use in schools (5th ed., completely rev.). R.D. Cortina Co..

Chicago Style (17th ed.) Citation

Williams, Edwin B., and Marialice Pessoa. Conversational Brazilian-Portuguese: Intended for Self-study and for Use in Schools. 5th ed., completely rev. New York, N.Y.: R.D. Cortina Co., 1980.

MLA (9th ed.) Citation

Williams, Edwin B., and Marialice Pessoa. Conversational Brazilian-Portuguese: Intended for Self-study and for Use in Schools. 5th ed., completely rev. R.D. Cortina Co., 1980.