APA (7th ed.) Citation

Gratian & Koberger, A. (1493). Decretum. Anton Koberger.

Chicago Style (17th ed.) Citation

Gratian and Anton Koberger. Decretum. Nürnberg: Anton Koberger, 1493.

MLA (9th ed.) Citation

Gratian and Anton Koberger. Decretum. Anton Koberger, 1493.

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