| APA | PROC. (2012, February 9). In Acronym Geek. Retrieved 21:13, February 9, 2012, from http://www.acronymgeek.com/PROC |
| MLA | "PROC." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PROC>. |
| MHRA | 'PROC', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PROC> [accessed 9 February 2012] |
| Chicago | "PROC", http://www.acronymgeek.com/PROC (accessed February 9, 2012). |
| CBE/CSE | PROC [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PROC. |
| Bluebook | PROC, http://www.acronymgeek.com/PROC (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PROC, http://www.acronymgeek.com/PROC (optional description here) (as of Feb. 9, 2012, 21:13). |
| AMA | PROC. Acronym Geek. February 9, 2012, 21:13. Available at: http://www.acronymgeek.com/PROC. Accessed February 9, 2012, 21:13. |