Style de citation APA (7e éd.)

Byer, G. C. J. (1999). Charlemagne and baptism: A study of responses to the circular letter of 811/812. International Scholars Publications.

Style de citation Chicago (17e éd.)

Byer, Glenn C. J. Charlemagne and Baptism: A Study of Responses to the Circular Letter of 811/812. San Francisco: International Scholars Publications, 1999.

Style de citation MLA (8e éd.)

Byer, Glenn C. J. Charlemagne and Baptism: A Study of Responses to the Circular Letter of 811/812. International Scholars Publications, 1999.