APA Style

Happel, John. (1958). Chemical Process Economics (1). America: Jhon Wiley and Sons.

Chicago Style

Happel, John. Chemical Process Economics. 1 America: Jhon Wiley and Sons, 1958. Hard Copy.

MLA Style

Happel, John. Chemical Process Economics. 1 America: Jhon Wiley and Sons, 1958. Hard Copy.

Turabian Style

Happel, John. Chemical Process Economics. 1 America: Jhon Wiley and Sons, 1958. Hard Copy.