Spivak, M. (1979). A comprehensive introduction to differential geometry (2nd edition.). Publish or Perish.
Style de citation Chicago (17e éd.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. 2nd edition. Houston (Tex.): Publish or Perish, 1979.
Style de citation MLA (8e éd.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. 2nd edition. Publish or Perish, 1979.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.