APA (7th ed.) Citation

Thonssen, L., Russell, E. F., & Thonssen, D. (1939). Bibliography of speech education. The H.W. Wilson company.

Chicago Style (17th ed.) Citation

Thonssen, Lester, Elizabeth Fatherson Russell, and Dorothea Thonssen. Bibliography of Speech Education. New York: The H.W. Wilson company, 1939.

MLA (9th ed.) Citation

Thonssen, Lester, et al. Bibliography of Speech Education. The H.W. Wilson company, 1939.