APA (7th ed.) Citation

Knorr, W. R. (1993). The ancient tradition of geometric problems. Dover.

Chicago Style (17th ed.) Citation

Knorr, Wilbur Richard. The Ancient Tradition of Geometric Problems. New York: Dover, 1993.

MLA (9th ed.) Citation

Knorr, Wilbur Richard. The Ancient Tradition of Geometric Problems. Dover, 1993.