APA (7th ed.) Citation

Ptolemaeus, C. 1. (1990). Claudii Ptolemaei geographia. Olms.

Chicago Style (17th ed.) Citation

Ptolemaeus, Claudius 100-178. Claudii Ptolemaei Geographia. Hildesheim: Olms, 1990.

MLA (9th ed.) Citation

Ptolemaeus, Claudius 100-178. Claudii Ptolemaei Geographia. Olms, 1990.

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