APA (7th ed.) Citation

Blainey, G. (2011). A Short history of Christianity. Penguin.

Chicago Style (17th ed.) Citation

Blainey, Geoffrey. A Short History of Christianity. Camberwell, Victoria (Australia): Penguin, 2011.

MLA (9th ed.) Citation

Blainey, Geoffrey. A Short History of Christianity. Penguin, 2011.

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