Cita APA (7a ed.)

Hougen, O. A., Watson, K. M., & Ragatz, R. A. (1959). Chemical process principles (2a. ed.). Wiley.

Cita Chicago Style (17a ed.)

Hougen, Olaf A., Kenneth M. Watson, y Roland A. Ragatz. Chemical Process Principles. 2a. ed. New York: Wiley, 1959.

Cita MLA (8a ed.)

Hougen, Olaf A., et al. Chemical Process Principles. 2a. ed. Wiley, 1959.