Cita APA (7a ed.)

Bradley, A. D. (1933). The geometry of repeating design and geometry of design for high schools. Columbia University.

Cita Chicago Style (17a ed.)

Bradley, A. Day. The Geometry of Repeating Design and Geometry of Design for High Schools. Nueva York: Columbia University, 1933.

Cita MLA (9a ed.)

Bradley, A. Day. The Geometry of Repeating Design and Geometry of Design for High Schools. Columbia University, 1933.