Cita APA (7a ed.)

Robinson, G. d. B. (1959). The Foundations of Geometry (4th ed.). Univ. of Toronto Press.

Cita Chicago Style (17a ed.)

Robinson, Gilbert de B. The Foundations of Geometry. 4th ed. Toronto: Univ. of Toronto Press, 1959.

Cita MLA (8a ed.)

Robinson, Gilbert de B. The Foundations of Geometry. 4th ed. Univ. of Toronto Press, 1959.