Cita APA

Singer, I. M., & Thorpe, J. A. (1976). Lecture notes on elementary topology and geometry.

Citación estilo Chicago

Singer, I M., y J A. Thorpe. Lecture Notes on Elementary Topology and Geometry. Springer-Verlag, New York, 1976.

Cita MLA

Singer, I M., y J A. Thorpe. Lecture Notes on Elementary Topology and Geometry. 1976.