APA (7th ed.) Citation

Albert, M., & Hossfeld, P. (1971). De caelo et mundo. Aschendorff.

Chicago Style (17th ed.) Citation

Albert, Magne, and Paul Hossfeld. De Caelo Et Mundo. Monasterii Westfalorum: Aschendorff, 1971.

MLA (9th ed.) Citation

Albert, Magne, and Paul Hossfeld. De Caelo Et Mundo. Aschendorff, 1971.

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