Cita APA (7th ed.)

Alaexander, D. C. (1999). Elementary geometry for college students (2nd ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Alaexander, Daniel C. Elementary Geometry for College Students. 2nd ed. Boston, MA: Houghton Mifflin, 1999.

Cita MLA (9th ed.)

Alaexander, Daniel C. Elementary Geometry for College Students. 2nd ed. Houghton Mifflin, 1999.