APA (7th ed.) Citation

Moulton, W. G., & Moulton, J. K. (1944). Spoken German, basic course. Linguistic Society of America.

Chicago Style (17th ed.) Citation

Moulton, William Gamwell, and Jenni Karding Moulton. Spoken German, Basic Course. [Madison, Wis.]: Linguistic Society of America, 1944.

MLA (9th ed.) Citation

Moulton, William Gamwell, and Jenni Karding Moulton. Spoken German, Basic Course. Linguistic Society of America, 1944.