APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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