Cita APA (7th ed.)

Williams, R. (1979). The geometrical foundation of natural structure: A source book of design. Dover.

Cita Chicago (17th ed.)

Williams, Robert. The Geometrical Foundation of Natural Structure: A Source Book of Design. Nueva York: Dover, 1979.

Cita MLA (9th ed.)

Williams, Robert. The Geometrical Foundation of Natural Structure: A Source Book of Design. Dover, 1979.