APA (7th ed.) Citation

Duffey, W. R., & Croft, A. (1945). Speech models: Effective construction and expression. The Bruce Publishing Company.

Chicago Style (17th ed.) Citation

Duffey, William Richard, and Aloysius Croft. Speech Models: Effective Construction and Expression. Milwaukee, New York: The Bruce Publishing Company, 1945.

MLA (9th ed.) Citation

Duffey, William Richard, and Aloysius Croft. Speech Models: Effective Construction and Expression. The Bruce Publishing Company, 1945.