APA (7th ed.) Citation

Project Management Institute. (2013). A guide to the project management body of knowledge: PMBOK guide (Fifth edition.). Project Management Institute, Inc..

Chicago Style (17th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. Fifth edition. Pennsylvania: Project Management Institute, Inc., 2013.

MLA (9th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge: PMBOK Guide. Fifth edition. Project Management Institute, Inc., 2013.