| APA | APNEA. (2012, February 12). In Acronym Geek. Retrieved 07:29, February 12, 2012, from http://www.acronymgeek.com/APNEA |
| MLA | "APNEA." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/APNEA>. |
| MHRA | 'APNEA', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/APNEA> [accessed 12 February 2012] |
| Chicago | "APNEA", http://www.acronymgeek.com/APNEA (accessed February 12, 2012). |
| CBE/CSE | APNEA [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/APNEA. |
| Bluebook | APNEA, http://www.acronymgeek.com/APNEA (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APNEA, http://www.acronymgeek.com/APNEA (optional description here) (as of Feb. 12, 2012, 07:29). |
| AMA | APNEA. Acronym Geek. February 12, 2012, 07:29. Available at: http://www.acronymgeek.com/APNEA. Accessed February 12, 2012, 07:29. |