APA Style

O'Brien, J. et al (1993). The state of religion atlas: A Concise Survey of World Religion through full color international Maps / Joanne O'Brien and Martin Palmer ; consultant editor, David Barrett. . New York: Simon & Schuster.

MLA Style

O'Brien, Joanne. et al. "The state of religion atlas: A Concise Survey of World Religion through full color international Maps / Joanne O'Brien and Martin Palmer ; consultant editor, David Barrett.". New York: Simon & Schuster, 1993. Text.