Cita APA (7a ed.)

Ludwig, E. E. (1964). Applied process design for chemical and petrochemical plants. Gulf.

Cita Chicago Style (17a ed.)

Ludwig, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Houston [etc.]: Gulf, 1964.

Cita MLA (9a ed.)

Ludwig, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Gulf, 1964.