Cita APA

Sally, J. D., & Sally, P. J. 1. (2011). Geometry: A guide for teachers. Berkeley, Calif.: MSRI.

Citación estilo Chicago

Sally, Judith D., y Paul J. 1933- Sally. Geometry: A Guide for Teachers. Berkeley, Calif.: MSRI, 2011.

Cita MLA

Sally, Judith D., y Paul J. 1933- Sally. Geometry: A Guide for Teachers. Berkeley, Calif.: MSRI, 2011.