APA (7th ed.) Citation

O'Brien, K. L., & Lafrance, M. S. j. a. (1939). First-year French. Ginn and company.

Chicago Style (17th ed.) Citation

O'Brien, Kathryn L., and Marie Stella joint author Lafrance. First-year French. Boston: Ginn and company, 1939.

MLA (9th ed.) Citation

O'Brien, Kathryn L., and Marie Stella joint author Lafrance. First-year French. Ginn and company, 1939.