APA (7th ed.) Citation

Ptolemy, a. 2. c., Mercator, G., & Montano, P. (1605). Geographiae libri octo. Iodocus Hondinus excudit sibi et Cornelio Nicolai, in cujus officina prostant.

Chicago Style (17th ed.) Citation

Ptolemy, active 2nd century, Gerardus Mercator, and Petro Montano. Geographiae Libri Octo. Francofurti: Iodocus Hondinus excudit sibi et Cornelio Nicolai, in cujus officina prostant, 1605.

MLA (9th ed.) Citation

Ptolemy, active 2nd century, et al. Geographiae Libri Octo. Iodocus Hondinus excudit sibi et Cornelio Nicolai, in cujus officina prostant, 1605.

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