APA (7th ed.) Citation

Project Management Institute. (2008). A guide to the project management body of knowledge (PMBOK guide) (4th ed.). Project Management Institute, Inc.

Chicago Style (17th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge (PMBOK Guide). 4th ed. Newtown Square, Pa: Project Management Institute, Inc, 2008.

MLA (9th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge (PMBOK Guide). 4th ed. Project Management Institute, Inc, 2008.