APA (7th ed.) Citation

Urban, W. L. (1981). The Livonian Crusade. University Press of America.

Chicago Style (17th ed.) Citation

Urban, William L. The Livonian Crusade. Washington, D.C.: University Press of America, 1981.

MLA (9th ed.) Citation

Urban, William L. The Livonian Crusade. University Press of America, 1981.

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