APA (7th ed.) Citation

Spivak, M. (1979). A comprehensive introduction to differential geometry (2nd ed.). Publish or Perish, Inc.

Chicago Style (17th ed.) Citation

Spivak, Michael. A Comprehensive Introduction to Differential Geometry. 2nd ed. Berkeley, Cal: Publish or Perish, Inc, 1979.

MLA (9th ed.) Citation

Spivak, Michael. A Comprehensive Introduction to Differential Geometry. 2nd ed. Publish or Perish, Inc, 1979.