Cita APA

Ledbetter, D. A., & Ledbetter, D. A. (1967). Elementary college geometry. New York, New York: McGraw-Hill.

Citación estilo Chicago

Ledbetter, David A., y David A. Ledbetter. Elementary College Geometry. New York, New York: McGraw-Hill, 1967.

Cita MLA

Ledbetter, David A., y David A. Ledbetter. Elementary College Geometry. New York, New York: McGraw-Hill, 1967.