MLA

Aristotle, pseud. Secreta Secretorum. Jan Veldener, 0AD. https://collections.library.yale.edu/catalog/16986899.

APA, 6th edition

Aristotle, pseud. (0 C.E.). Secreta secretorum [Early works to 1800, Incunabula in Yale library]. Jan Veldener. https://collections.library.yale.edu/catalog/16986899.