| APA | APHIS. (2012, February 9). In Acronym Geek. Retrieved 16:43, February 9, 2012, from http://www.acronymgeek.com/APHIS |
| MLA | "APHIS." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/APHIS>. |
| MHRA | 'APHIS', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/APHIS> [accessed 9 February 2012] |
| Chicago | "APHIS", http://www.acronymgeek.com/APHIS (accessed February 9, 2012). |
| CBE/CSE | APHIS [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/APHIS. |
| Bluebook | APHIS, http://www.acronymgeek.com/APHIS (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APHIS, http://www.acronymgeek.com/APHIS (optional description here) (as of Feb. 9, 2012, 16:43). |
| AMA | APHIS. Acronym Geek. February 9, 2012, 16:43. Available at: http://www.acronymgeek.com/APHIS. Accessed February 9, 2012, 16:43. |