Cita APA (7a ed.)

Hougen, O. A. (1954). Chemical process principles. (2¦ ed.). John Wiley & Sons, Inc..

Cita Chicago Style (17a ed.)

Hougen, Olaf A. Chemical Process Principles. 2¦ ed. New York: John Wiley & Sons, Inc., 1954.

Cita MLA (9a ed.)

Hougen, Olaf A. Chemical Process Principles. 2¦ ed. John Wiley & Sons, Inc., 1954.