APA (7th ed.) Citation

Keller, T. (2016). Hidden Christmas: The surprising truth behind the birth of Christ. Viking.

Chicago Style (17th ed.) Citation

Keller, Timothy. Hidden Christmas: The Surprising Truth Behind the Birth of Christ. New York, New York: Viking, 2016.

MLA (8th ed.) Citation

Keller, Timothy. Hidden Christmas: The Surprising Truth Behind the Birth of Christ. Viking, 2016.

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