Langenkamp, R. D. (1985). The illustrated petroleum reference dictionary (3rd ed.). Penn-Well Books.
Chicago Style (17th ed.) CitationLangenkamp, Robert D. The Illustrated Petroleum Reference Dictionary. 3rd ed. Tulsa, Okla: Penn-Well Books, 1985.
MLA (9th ed.) CitationLangenkamp, Robert D. The Illustrated Petroleum Reference Dictionary. 3rd ed. Penn-Well Books, 1985.
Warning: These citations may not always be 100% accurate.