Citazione Stile APA (7a Edizione)

Ludwig, E. E. (1979). Applied process design for chemical and petrochemical plants (2a. ed.). Gulf Publishing Company.

Citazione stile Chigago Style (17a edizione)

Ludwig, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. 2a. ed. Houston: Gulf Publishing Company, 1979.

Citatione MLA (9a ed.)

Ludwig, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. 2a. ed. Gulf Publishing Company, 1979.