Barrett, D. B. (2001). World Christian Trends AD 30-AD 2200: Interpreting the annual Christian megacensus. William Carey Library.
Chicago Style (17th ed.) CitationBarrett, David B. World Christian Trends AD 30-AD 2200: Interpreting the Annual Christian Megacensus. William Carey Library, 2001.
MLA (8th ed.) CitationBarrett, David B. 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.