APA (7th ed.) Citation

Hougen, O. A. (1943). Chemical process principles. Wiley.

Chicago Style (17th ed.) Citation

Hougen, Olaf A. Chemical Process Principles. New York: Wiley, 1943.

MLA (9th ed.) Citation

Hougen, Olaf A. Chemical Process Principles. Wiley, 1943.

Warning: These citations may not always be 100% accurate.