Cita APA (7a ed.)

Hougen, O. A., & Watson, K. M. (1947). Chemical process principles. John Wiley.

Cita Chicago Style (17a ed.)

Hougen, O. A., y Kenneth Merle Watson. Chemical Process Principles. Nueva York: John Wiley, 1947.

Cita MLA (9a ed.)

Hougen, O. A., y Kenneth Merle Watson. Chemical Process Principles. John Wiley, 1947.