APA (7th ed.) Citation

Langenkamp, R. D. (1982). Oil business fundamentals: Exploration, leasing, drilling, production, marketing (1. printing.). Pennwell Publ.

Chicago Style (17th ed.) Citation

Langenkamp, Robert D. Oil Business Fundamentals: Exploration, Leasing, Drilling, Production, Marketing. 1. printing. Tulsa, Okla: Pennwell Publ, 1982.

MLA (9th ed.) Citation

Langenkamp, Robert D. Oil Business Fundamentals: Exploration, Leasing, Drilling, Production, Marketing. 1. printing. Pennwell Publ, 1982.

Warning: These citations may not always be 100% accurate.