APA (7th ed.) Citation

Berwick, G. J. (1881). The true source of Christianity.

Chicago Style (17th ed.) Citation

Berwick, G. J. The True Source of Christianity. London, 1881.

MLA (8th ed.) Citation

Berwick, G. J. The True Source of Christianity. 1881.

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