Cita APA (7a ed.)
Forder, H. G. (1958). The foundations of euclidean geometry. Dover.
Cita estilo Chicago (17a ed.)
Forder, Henry George. The Foundations of Euclidean Geometry. Nueva York, EUA: Dover, 1958.
Cita MLA (9a ed.)
Forder, Henry George. The Foundations of Euclidean Geometry. Dover, 1958.
Precaución: Estas citas no son 100% exactas.