Cita APA

Hoelscher, R. P., & Springer, C. H. (1963). Engineering drawing and geometry (2a. ed.). John Wiley.

Citación estilo Chicago

Hoelscher, Randolph Philip, and Clifford Harry Springer. Engineering Drawing and Geometry. 2a. ed. Nueva York: John Wiley, 1963.

Cita MLA

Hoelscher, Randolph Philip, and Clifford Harry Springer. Engineering Drawing and Geometry. 2a. ed. John Wiley, 1963.