APA (7th ed.) Citation

Atkins, S. E. (2012). The 9/11 encyclopedia (2nd ed.). ABC-CLIO, Credo Reference.

Chicago Style (17th ed.) Citation

Atkins, Stephen E. The 9/11 Encyclopedia. 2nd ed. Santa Barbara, Calif.: ABC-CLIO, Credo Reference, 2012.

MLA (8th ed.) Citation

Atkins, Stephen E. The 9/11 Encyclopedia. 2nd ed. ABC-CLIO, Credo Reference, 2012.