APA (7th ed.) Citation

Busemann, H., & Kelly, P. J. (2006). Projective geometry and projective metrics. Dover Publications.

Chicago Style (17th ed.) Citation

Busemann, Herbert, and Paul Joseph Kelly. Projective Geometry and Projective Metrics. Mineola, N.Y.: Dover Publications, 2006.

MLA (9th ed.) Citation

Busemann, Herbert, and Paul Joseph Kelly. Projective Geometry and Projective Metrics. Dover Publications, 2006.