APA (7th ed.) Citation

Grasshoff, G. (1990). The history of Ptolemy's star catalogue. Springer-Verlag.

Chicago Style (17th ed.) Citation

Grasshoff, Gerd. The History of Ptolemy's Star Catalogue. New York: Springer-Verlag, 1990.

MLA (8th ed.) Citation

Grasshoff, Gerd. The History of Ptolemy's Star Catalogue. Springer-Verlag, 1990.

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