APA (7th ed.) Citation

Project Management Institute. (2004). A guide to the project management body of knowledge (PMBOK guide). (3rd ed.). Project Management Institute, Inc.

Chicago Style (17th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge (PMBOK Guide). 3rd ed. Newtown Square, Pa: Project Management Institute, Inc, 2004.

MLA (8th ed.) Citation

Project Management Institute. A Guide to the Project Management Body of Knowledge (PMBOK Guide). 3rd ed. Project Management Institute, Inc, 2004.