APA (7th ed.) Citation

Ptolemy, a. 2. c., Pirckheimer, W., & Servetus, M. (1535). Claudii Ptolemaei Alexandrini Geographicae enarrationis libri octo. Ex officina Melchioris et Gasparis Trechsel.

Chicago Style (17th ed.) Citation

Ptolemy, active 2nd century, Willibald Pirckheimer, and Michael Servetus. Claudii Ptolemaei Alexandrini Geographicae Enarrationis Libri Octo. Lugduni: Ex officina Melchioris et Gasparis Trechsel, 1535.

MLA (9th ed.) Citation

Ptolemy, active 2nd century, et al. Claudii Ptolemaei Alexandrini Geographicae Enarrationis Libri Octo. Ex officina Melchioris et Gasparis Trechsel, 1535.