APA (7th ed.) Citation

Knowles, D. (1970). Thomas Becket / by David Knowles. A. & C. Black.

Chicago Style (17th ed.) Citation

Knowles, David. Thomas Becket / by David Knowles. A. & C. Black, 1970.

MLA (9th ed.) Citation

Knowles, David. Thomas Becket / by David Knowles. A. & C. Black, 1970.

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