APA (7th ed.) Citation

Atkins, S. E. (2011). The 9/11 encyclopedia (2. ed.). ABC-CLIO.

Chicago Style (17th ed.) Citation

Atkins, Stephen E. The 9/11 Encyclopedia. 2. ed. Santa Barbara, Calif. [u.a.]: ABC-CLIO, 2011.

MLA (9th ed.) Citation

Atkins, Stephen E. The 9/11 Encyclopedia. 2. ed. ABC-CLIO, 2011.