APA (7th ed.) Citation

Research and Education Association. (1977). The geometry problem solver. REA.

Chicago Style (17th ed.) Citation

Research and Education Association. The Geometry Problem Solver. New York: REA, 1977.

MLA (9th ed.) Citation

Research and Education Association. The Geometry Problem Solver. REA, 1977.

Warning: These citations may not always be 100% accurate.