APA (7th ed.) Citation

DeCarlo, C. (2018). The Holy Roman Empire (First edition.). Britannica Educational Publishing in association with Rosen Educational Services.

Chicago Style (17th ed.) Citation

DeCarlo, Carolyn. The Holy Roman Empire. First edition. New York: Britannica Educational Publishing in association with Rosen Educational Services, 2018.

MLA (8th ed.) Citation

DeCarlo, Carolyn. The Holy Roman Empire. First edition. Britannica Educational Publishing in association with Rosen Educational Services, 2018.

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