APA (7th ed.) Citation

Haefele, H. F. (1954). Fortuna Heinrici IV. imperatoris. Böhlau.

Chicago Style (17th ed.) Citation

Haefele, Hans F. Fortuna Heinrici IV. Imperatoris. Graz-Köln: Böhlau, 1954.

MLA (9th ed.) Citation

Haefele, Hans F. Fortuna Heinrici IV. Imperatoris. Böhlau, 1954.

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