APA (7th ed.) Citation

Sayers, J. E. (1994). Innocent III: Leader of Europe 1198-1216 (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Sayers, Jane Eleanor. Innocent III: Leader of Europe 1198-1216. 1. publ. London [u.a.]: Longman, 1994.

MLA (9th ed.) Citation

Sayers, Jane Eleanor. Innocent III: Leader of Europe 1198-1216. 1. publ. Longman, 1994.

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