| APA | 1° BLOCK. (2012, February 12). In Acronym Geek. Retrieved 22:33, February 12, 2012, from http://www.acronymgeek.com/1° BLOCK |
| MLA | "1° BLOCK." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/1° BLOCK>. |
| MHRA | '1° BLOCK', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/1° BLOCK> [accessed 12 February 2012] |
| Chicago | "1° BLOCK", http://www.acronymgeek.com/1° BLOCK (accessed February 12, 2012). |
| CBE/CSE | 1° BLOCK [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/1° BLOCK. |
| Bluebook | 1° BLOCK, http://www.acronymgeek.com/1° BLOCK (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1° BLOCK, http://www.acronymgeek.com/1° BLOCK (optional description here) (as of Feb. 12, 2012, 22:33). |
| AMA | 1° BLOCK. Acronym Geek. February 12, 2012, 22:33. Available at: http://www.acronymgeek.com/1° BLOCK. Accessed February 12, 2012, 22:33. |