Cita APA

Soifer, A., & Soifer, A. (1990). How does one cut a triangle? (1. edition --.). Colorado Springs: Center for Excellence in Mathematical Education.

Citación estilo Chicago

Soifer, Alexander, y Alexander Soifer. How Does One Cut a Triangle? 1. edition --. Colorado Springs: Center for Excellence in Mathematical Education, 1990.

Cita MLA

Soifer, Alexander, y Alexander Soifer. How Does One Cut a Triangle? 1. edition --. Colorado Springs: Center for Excellence in Mathematical Education, 1990.