Citazione Stile APA (7a Edizione)

Henderson, D. W. Experiencing geometry: Euclidean and non-Euclidean with history (3rd ed.). Pearson Prentice Hall c2005.

Citazione stile Chigago Style (17a edizione)

Henderson, David W. Experiencing Geometry: Euclidean and Non-Euclidean with History. 3rd ed. Upper Saddle River, N.J: Pearson Prentice Hall c2005.

Citatione MLA (9a ed.)

Henderson, David W. Experiencing Geometry: Euclidean and Non-Euclidean with History. 3rd ed. Pearson Prentice Hall c2005.