Cita APA

Clemens, C. H. 1., & Clemens, C. H. 1. (1991). Geometry for the classroom. New York, New York: Springer.

Citación estilo Chicago

Clemens, Charles Herbert 1939-, y Charles Herbert 1939- Clemens. Geometry for the Classroom. New York, New York: Springer, 1991.

Cita MLA

Clemens, Charles Herbert 1939-, y Charles Herbert 1939- Clemens. Geometry for the Classroom. New York, New York: Springer, 1991.