MLA

I., Pseudo-Clemens. Recognitiones. 0AD. https://collections.library.yale.edu/catalog/9998925.

APA, 6th edition

I., P.-C. (0 C.E.). Recognitiones [Manuscripts, Medieval Italy 15th century, Manuscripts, Medieval Austria 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/9998925.