Ptolemaeus, C. 1., & Robbins, F. E. (1994). Tetrabiblos Loeb classical library.
Chicago Style (17th ed.) CitationPtolemaeus, Claudius 100-178, and Frank Egleston Robbins. "Tetrabiblos." Loeb Classical Library 1994.
MLA (8th ed.) CitationPtolemaeus, Claudius 100-178, and Frank Egleston Robbins. "Tetrabiblos." Loeb Classical Library, 1994.
Warning: These citations may not always be 100% accurate.