| APA | ABCO. (2012, February 11). In Acronym Geek. Retrieved 21:20, February 11, 2012, from http://www.acronymgeek.com/ABCO |
| MLA | "ABCO." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ABCO>. |
| MHRA | 'ABCO', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ABCO> [accessed 11 February 2012] |
| Chicago | "ABCO", http://www.acronymgeek.com/ABCO (accessed February 11, 2012). |
| CBE/CSE | ABCO [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ABCO. |
| Bluebook | ABCO, http://www.acronymgeek.com/ABCO (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ABCO, http://www.acronymgeek.com/ABCO (optional description here) (as of Feb. 11, 2012, 21:20). |
| AMA | ABCO. Acronym Geek. February 11, 2012, 21:20. Available at: http://www.acronymgeek.com/ABCO. Accessed February 11, 2012, 21:20. |