APA Style

Institute, P, M. (2021). The standard for project management and a guide to the project management body of knowledge (PMBOK guide). Seventh edition (Seventh edition, 2021). Pennsylvania: Project Management Institute.

MLA Style

Institute, Project, Management. "The standard for project management and a guide to the project management body of knowledge (PMBOK guide). Seventh edition". Seventh edition, 2021 Pennsylvania: Project Management Institute, 2021. Text.