Cita APA (7a ed.)
Alexander, D. C., & Koeberlein, G. M. (1992). Elementary geometry for college students. Wm. C. Brown Publishers.
Cita Chicago Style (17a ed.)
Alexander, Daniel C., y Geralyn M. Koeberlein. Elementary Geometry for College Students. Dubuque, Iowa: Wm. C. Brown Publishers, 1992.
Cita MLA (9a ed.)
Alexander, Daniel C., y Geralyn M. Koeberlein. Elementary Geometry for College Students. Wm. C. Brown Publishers, 1992.
Precaución: Estas citas no son 100% exactas.