APA Citation

 Stahl, S. (2005).  Introduction to topology and geometry.  John Wiley & Son.

Chicago Style Citation

 Stahl, Saul.  Introduction to Topology and Geometry.  John Wiley & Son, 2005.

MLA Citation

 Stahl, Saul.  Introduction to Topology and Geometry.  John Wiley & Son, 2005.

Warning: These citations may not always be 100% accurate.