APA (7th ed.) Citation

Hildebrand, J. (1847). De diebus festis libellus.

Chicago Style (17th ed.) Citation

Hildebrand, Joachim. De Diebus Festis Libellus. Lipsiae, 1847.

MLA (9th ed.) Citation

Hildebrand, Joachim. De Diebus Festis Libellus. 1847.

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