APA (7th ed.) Citation

Barrett, D. B., Johnson, T. M., Guidry, C. R., & Crossing, P. F. (2001). World Christian trends, AD 30-AD 2200: Interpreting the annual Christian megacensus. William Carey Library.

Chicago Style (17th ed.) Citation

Barrett, David B., Todd M. Johnson, Christopher R. Guidry, and Peter F. Crossing. World Christian Trends, AD 30-AD 2200: Interpreting the Annual Christian Megacensus. Pasadena, Calif: William Carey Library, 2001.

MLA (8th ed.) Citation

Barrett, David B., et al. World Christian Trends, AD 30-AD 2200: Interpreting the Annual Christian Megacensus. William Carey Library, 2001.

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