APA (7th ed.) Citation

Ellis, D., & McLaughlin, K. S. (1983). Just enough Portuguese. Passport Books.

Chicago Style (17th ed.) Citation

Ellis, D.L, and K. Sanderman McLaughlin. Just Enough Portuguese. Lincolnwood, Ill: Passport Books, 1983.

MLA (9th ed.) Citation

Ellis, D.L, and K. Sanderman McLaughlin. Just Enough Portuguese. Passport Books, 1983.