Cita APA (7th ed.)

Giesecke, F. E., Mitchell, A., Spencer, H. C., Hill, I. L., Loving, R. O., & Dygdon, J. T. (1981). Engineering graphics (3a. ed.). Macmillan.

Cita Chicago (17th ed.)

Giesecke, Frederick Ernest, Alva Mitchell, Henry Cecil Spencer, Ivan Leroy Hill, Robert Olin Loving, i John Thomas Dygdon. Engineering Graphics. 3a. ed. Nueva York: Macmillan, 1981.

Cita MLA (9th ed.)

Giesecke, Frederick Ernest, et al. Engineering Graphics. 3a. ed. Macmillan, 1981.