The geometrical foundation of natural structure. A source Book of Design.

MLA

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

APA

Williams, R. (1979). The geometrical foundation of natural structure. A source Book of Design. New York: Dover Publications.

Chicago

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