APA (7th ed.) Citation

Hougen, O. A., Watson, K. M., & Ragatz, R. A. (1954). Chemical process principles (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Hougen, Olaf Andreas, Kenneth M. Watson, and Roland A. Ragatz. Chemical Process Principles. 2nd ed. New York: Wiley, 1954.

MLA (9th ed.) Citation

Hougen, Olaf Andreas, et al. Chemical Process Principles. 2nd ed. Wiley, 1954.