Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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