APA (7th ed.) Citation

Adam Matthew Digital (Firm). (2019). Porphyrii Philosophi introductio in Ptolemaei opus de effectibus astrorum. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). Porphyrii Philosophi Introductio in Ptolemaei Opus De Effectibus Astrorum. Marlborough, Wiltshire: Adam Matthew Digital, 2019.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). Porphyrii Philosophi Introductio in Ptolemaei Opus De Effectibus Astrorum. Adam Matthew Digital, 2019.

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