APA (7th ed.) Citation

Albericus, A., & Hefele, H. (1923). Geschichte des ersten Kreuzzugs. Diederichs.

Chicago Style (17th ed.) Citation

Albericus, Aquensis, and Herman Hefele. Geschichte Des Ersten Kreuzzugs. Jena: Diederichs, 1923.

MLA (8th ed.) Citation

Albericus, Aquensis, and Herman Hefele. Geschichte Des Ersten Kreuzzugs. Diederichs, 1923.

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