APA (7th ed.) Citation

Rich, B. (1963). Principles & problems of plane geometry. Schaum Pub. Co.

Chicago Style (17th ed.) Citation

Rich, Barnett. Principles & Problems of Plane Geometry. New York: Schaum Pub. Co, 1963.

MLA (9th ed.) Citation

Rich, Barnett. Principles & Problems of Plane Geometry. Schaum Pub. Co, 1963.