APA (7th ed.) Citation
Society of Petroleum Engineers (U.S.) & ebrary, Inc. (2011). A guide to professional engineering licensure for petroleum engineers and sample P.E. exam (11th ed.). Society of Petroleum Engineers.
Chicago Style (17th ed.) Citation
Society of Petroleum Engineers (U.S.) and Inc ebrary. A Guide to Professional Engineering Licensure for Petroleum Engineers and Sample P.E. Exam. 11th ed. [Richardson, TX ]: Society of Petroleum Engineers, 2011.
MLA (9th ed.) Citation
Society of Petroleum Engineers (U.S.) and Inc ebrary. A Guide to Professional Engineering Licensure for Petroleum Engineers and Sample P.E. Exam. 11th ed. Society of Petroleum Engineers, 2011.
Warning: These citations may not always be 100% accurate.