Cita APA (7th ed.)

Singer, I. (1967). Lecture notes on elementary topology and: Geometry. Scott, Foresman.

Cita Chicago (17th ed.)

Singer, I.M. Lecture Notes on Elementary Topology and: Geometry. Glenview, Ill.: Scott, Foresman, 1967.

Cita MLA (9th ed.)

Singer, I.M. Lecture Notes on Elementary Topology and: Geometry. Scott, Foresman, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.