Ptolemaeus, C., Schreckenfuchs, E. O., & Petri, H. (1551). Clavdii Ptolemaei [...] omnia quæ extant opera, præter Geographiam [...] summa cura & diligentia castigata ab Erasmo Osualdo Schrekhenfuchsio [...]. (In Officina Henrichi Petri.
Chicago Style (17th ed.) CitationPtolemaeus, Claudius, Erasmus Oswald Schreckenfuchs, and Heinrich Petri. Clavdii Ptolemaei [...] Omnia Quæ Extant Opera, Præter Geographiam [...] Summa Cura & Diligentia Castigata Ab Erasmo Osualdo Schrekhenfuchsio [...]. Basileæ: (In Officina Henrichi Petri, 1551.
MLA (9th ed.) CitationPtolemaeus, Claudius, et al. Clavdii Ptolemaei [...] Omnia Quæ Extant Opera, Præter Geographiam [...] Summa Cura & Diligentia Castigata Ab Erasmo Osualdo Schrekhenfuchsio [...]. (In Officina Henrichi Petri, 1551.
Warning: These citations may not always be 100% accurate.