APA Style

Maples, Robert E.. (1993). Petroleum refinery process economics . United States of America: PenWell Publishing Company.

Chicago Style

Maples, Robert E.. Petroleum refinery process economics. United States of America: PenWell Publishing Company, 1993. Text.

MLA Style

Maples, Robert E.. Petroleum refinery process economics. United States of America: PenWell Publishing Company, 1993. Text.

Turabian Style

Maples, Robert E.. Petroleum refinery process economics. United States of America: PenWell Publishing Company, 1993. Print.