Cita APA (7th ed.)
Coxeter, H. (1949). The real projective plane. McGraw-Hill.
Cita Chicago (17th ed.)
Coxeter, H.S.M. The Real Projective Plane. Nueva York, EUA: McGraw-Hill, 1949.
Cita MLA (9th ed.)
Coxeter, H.S.M. The Real Projective Plane. McGraw-Hill, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.