APA (7th ed.) Citation

Hipólito de Roma, A., Helm, R., & Bauer, A. (1955). Die Chronik. Akademie.

Chicago Style (17th ed.) Citation

Hipólito de Roma, Antipapa, Rudolf Helm, and Adolf Bauer. Die Chronik. Berlin: Akademie, 1955.

MLA (9th ed.) Citation

Hipólito de Roma, Antipapa, et al. Die Chronik. Akademie, 1955.

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