| APA | PMBOK. (2012, February 12). In Acronym Geek. Retrieved 15:12, February 12, 2012, from http://www.acronymgeek.com/PMBOK |
| MLA | "PMBOK." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PMBOK>. |
| MHRA | 'PMBOK', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PMBOK> [accessed 12 February 2012] |
| Chicago | "PMBOK", http://www.acronymgeek.com/PMBOK (accessed February 12, 2012). |
| CBE/CSE | PMBOK [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PMBOK. |
| Bluebook | PMBOK, http://www.acronymgeek.com/PMBOK (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PMBOK, http://www.acronymgeek.com/PMBOK (optional description here) (as of Feb. 12, 2012, 15:12). |
| AMA | PMBOK. Acronym Geek. February 12, 2012, 15:12. Available at: http://www.acronymgeek.com/PMBOK. Accessed February 12, 2012, 15:12. |