Cita APA (7th ed.)

Ludwig, E. E. (1994). Applied process design: For chemical and petrochemical plants (3a. ed.). Gulf Publishing Company.

Cita Chicago (17th ed.)

Ludwig, Ernest E. Applied Process Design: For Chemical and Petrochemical Plants. 3a. ed. Houston: Gulf Publishing Company, 1994.

Cita MLA (9th ed.)

Ludwig, Ernest E. Applied Process Design: For Chemical and Petrochemical Plants. 3a. ed. Gulf Publishing Company, 1994.