Cita APA (7a ed.)

Smith, W. G. (1936). Practical descriptive geometry (4a ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Smith, William Griswold. Practical Descriptive Geometry. 4a ed. New York: McGraw-Hill, 1936.

Cita MLA (9a ed.)

Smith, William Griswold. Practical Descriptive Geometry. 4a ed. McGraw-Hill, 1936.

Precaución: Estas citas no son 100% exactas.