APA (7th ed.) Citation

Knowles, M. H., & Favard, B. D. C. (1916). Grammaire de la conversation; direct method in French. D.C. Heath & co.

Chicago Style (17th ed.) Citation

Knowles, Mary Henrietta, and Berthe Des Combes Favard. Grammaire De La Conversation; Direct Method in French. Boston: D.C. Heath & co, 1916.

MLA (9th ed.) Citation

Knowles, Mary Henrietta, and Berthe Des Combes Favard. Grammaire De La Conversation; Direct Method in French. D.C. Heath & co, 1916.