Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Douglass, Clarence E., e Albert L. Hoag. Descriptive Geometry. Nueva York: Holt, Rinehart and Winston, 1962.

Citatione MLA (9a ed.)

Douglass, Clarence E., e Albert L. Hoag. Descriptive Geometry. Holt, Rinehart and Winston, 1962.