APA (7th ed.) Citation

Atkins, S. E. The 9/11 encyclopedia. ABC-CLIO.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.