Cita APA

Douglass, C. E., & Hoag, A. L. (1962). Descriptive geometry. N.Y: Holt, Rinehart and Winston.

Citación estilo Chicago

Douglass, Clarence E., y Albert L. Hoag. Descriptive Geometry. N.Y: Holt, Rinehart and Winston, 1962.

Cita MLA

Douglass, Clarence E., y Albert L. Hoag. Descriptive Geometry. N.Y: Holt, Rinehart and Winston, 1962.