APA (7th ed.) Citation

Neill, S. (1980). A history of Christian missions. Penguin Books.

Chicago Style (17th ed.) Citation

Neill, Stephen. A History of Christian Missions. Harmondsworth, Eng.: Penguin Books, 1980.

MLA (9th ed.) Citation

Neill, Stephen. A History of Christian Missions. Penguin Books, 1980.

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