Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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