Spivak, M. (1999). A comprehensive introduction to differential geometry (Third edition.). Publish or Perish, Inc..
Цитирование в стиле Чикаго (17-е изд.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Houston, Tex.: Publish or Perish, Inc., 1999.
Цитирование MLA (8-е изд.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Publish or Perish, Inc., 1999.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.