Cita APA

Giesecke, F. E. 1., Mitchell, A., & Spencer, H. C. 1. (1958). Technical drawing problems (4. edition rev. by Henry Cecil Spencer.). New York, New York: Macmillan Company.

Citación estilo Chicago

Giesecke, Frederick Ernest 1869-1953, Alva Mitchell, y Henry Cecil 1903-1972 Spencer. Technical Drawing Problems. 4. edition rev. by Henry Cecil Spencer. New York, New York: Macmillan Company, 1958.

Cita MLA

Giesecke, Frederick Ernest 1869-1953, Alva Mitchell, y Henry Cecil 1903-1972 Spencer. Technical Drawing Problems. 4. edition rev. by Henry Cecil Spencer. New York, New York: Macmillan Company, 1958.