| APA | CALL. (2012, February 16). In Acronym Geek. Retrieved 20:02, February 16, 2012, from http://www.acronymgeek.com/CALL |
| MLA | "CALL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CALL>. |
| MHRA | 'CALL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CALL> [accessed 16 February 2012] |
| Chicago | "CALL", http://www.acronymgeek.com/CALL (accessed February 16, 2012). |
| CBE/CSE | CALL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CALL. |
| Bluebook | CALL, http://www.acronymgeek.com/CALL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CALL, http://www.acronymgeek.com/CALL (optional description here) (as of Feb. 16, 2012, 20:02). |
| AMA | CALL. Acronym Geek. February 16, 2012, 20:02. Available at: http://www.acronymgeek.com/CALL. Accessed February 16, 2012, 20:02. |