Cita APA (7th ed.)

Hartshorne, R. (1967). Foundations of projective geometry. Benjamin-Cummings.

Cita Chicago (17th ed.)

Hartshorne, Robin. Foundations of Projective Geometry. Reading: Benjamin-Cummings, 1967.

Cita MLA (9th ed.)

Hartshorne, Robin. Foundations of Projective Geometry. Benjamin-Cummings, 1967.