Citazione Stile APA (7a Edizione)

Greenberg, M. J. (1974). Euclidean and non-euclidean geometries: Development and history. W. H. Freeman.

Citazione stile Chigago Style (17a edizione)

Greenberg, Marvin Jay. Euclidean and Non-euclidean Geometries: Development and History. San Francisco: W. H. Freeman, 1974.

Citatione MLA (9a ed.)

Greenberg, Marvin Jay. Euclidean and Non-euclidean Geometries: Development and History. W. H. Freeman, 1974.