APA (7th ed.) Citation

Ptolomy & Adam Matthew Digital (Firm). (2019). Geographia. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Ptolomy and Adam Matthew Digital (Firm). Geographia. Marlborough, Wiltshire: Adam Matthew Digital, 2019.

MLA (9th ed.) Citation

Ptolomy and Adam Matthew Digital (Firm). Geographia. Adam Matthew Digital, 2019.

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