APA (7th ed.) Citation

Borchardt, K., Döring, K., Josserand, P., & Nicholson, H. (2016). The Templars and Their Sources.

Chicago Style (17th ed.) Citation

Borchardt, Karl, Karoline Döring, Philippe Josserand, and Helen Nicholson. The Templars and Their Sources. 2016.

MLA (9th ed.) Citation

Borchardt, Karl, et al. The Templars and Their Sources. 2016.