Christianity : two thousand years
MLA
Harries, Richard, and Henry Mayr-Harting. Christianity: Two Thousand Years. Oxford: Oxford University Press, 2001
APA, 7th edition
Harries, R., & Mayr-Harting, H. (2001). Christianity: two thousand years. Oxford: Oxford University Press
Chicago, 17th edition
Harries, Richard., and Henry Mayr-Harting. Christianity: two thousand years. Oxford: Oxford University Press, 2001