APA (7th ed.) Citation

Collins, R. (1998). Charlemagne (1. publ.). Macmillan.

Chicago Style (17th ed.) Citation

Collins, Roger. Charlemagne. 1. publ. Basingstoke [u.a.]: Macmillan, 1998.

MLA (9th ed.) Citation

Collins, Roger. Charlemagne. 1. publ. Macmillan, 1998.

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