Citazione Stile APA (7a Edizione)

Heyting, A. (1980). Axiomatic projective geometry (2a. ed.). North-Holland.

Citazione stile Chigago Style (17a edizione)

Heyting, A. Axiomatic Projective Geometry. 2a. ed. Amsterdam: North-Holland, 1980.

Citatione MLA (9a ed.)

Heyting, A. Axiomatic Projective Geometry. 2a. ed. North-Holland, 1980.