Cita APA (7a ed.)

Wellman Leighton, B. (1957). Technical descriptive geometry (2a ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Wellman Leighton, B. Technical Descriptive Geometry. 2a ed. New York: McGraw-Hill, 1957.

Cita MLA (8a ed.)

Wellman Leighton, B. Technical Descriptive Geometry. 2a ed. McGraw-Hill, 1957.