APA (7th ed.) Citation

Hepburn, W. M., & Sears, L. M. (1925). Purdue University: Fifty years of progress. Hollenbeck Press.

Chicago Style (17th ed.) Citation

Hepburn, William Murray, and Louis Martin Sears. Purdue University: Fifty Years of Progress. Indianapolis: Hollenbeck Press, 1925.

MLA (9th ed.) Citation

Hepburn, William Murray, and Louis Martin Sears. Purdue University: Fifty Years of Progress. Hollenbeck Press, 1925.