APA (7th ed.) Citation

Busemann, H., & Kelly, P. J. (1968). Projective geometry and projective metrics (3.print.). Acad.Pr.

Chicago Style (17th ed.) Citation

Busemann, Herbert, and Paul J. Kelly. Projective Geometry and Projective Metrics. 3.print. New York: Acad.Pr, 1968.

MLA (9th ed.) Citation

Busemann, Herbert, and Paul J. Kelly. Projective Geometry and Projective Metrics. 3.print. Acad.Pr, 1968.