APA (7th ed.) Citation

Knorr, W. R. (1989). Textual studies in ancient and medieval geometry. Birkhäuser.

Chicago Style (17th ed.) Citation

Knorr, Wilbur Richard. Textual Studies in Ancient and Medieval Geometry. Boston ; Basel ; Berlin: Birkhäuser, 1989.

MLA (9th ed.) Citation

Knorr, Wilbur Richard. Textual Studies in Ancient and Medieval Geometry. Birkhäuser, 1989.