APA (7th ed.) Citation

O'Brien, J., Palmer, M., & Barrett, D. B. (2007). The atlas of religion. University of California Press.

Chicago Style (17th ed.) Citation

O'Brien, Joanne, Martin Palmer, and David B. Barrett. The Atlas of Religion. Berkeley [etc.]: University of California Press, 2007.

MLA (9th ed.) Citation

O'Brien, Joanne, et al. The Atlas of Religion. University of California Press, 2007.