APA (7th ed.) Citation

Caswell, H. L., & Campbell, D. S. (1935). Curriculum development. American book company.

Chicago Style (17th ed.) Citation

Caswell, Hollis Leland, and Doak Sheridan Campbell. Curriculum Development. New York, Cincinnati [etc.]: American book company, 1935.

MLA (9th ed.) Citation

Caswell, Hollis Leland, and Doak Sheridan Campbell. Curriculum Development. American book company, 1935.