APA (7th ed.) Citation

Hougen, O. A. (1954). Chemical process principles (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Hougen, Olaf A. Chemical Process Principles. 2d ed. New York: Wiley, 1954.

MLA (9th ed.) Citation

Hougen, Olaf A. Chemical Process Principles. 2d ed. Wiley, 1954.