Style de citation APA (7e éd.)

LUDWIG, E. E. (1997). Applied process design for chemical and petrochemical plants (Ed.32.). Gulf Professional Publishing.

Style de citation Chicago (17e éd.)

LUDWIG, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Ed.32. Texas: Gulf Professional Publishing, 1997.

Style de citation MLA (9e éd.)

LUDWIG, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Ed.32. Gulf Professional Publishing, 1997.