APA (7th ed.) Citation

Bartsch, T. (1993). Topological methods for variational problems with symmetries. Lecture notes in mathematics.

Chicago Style (17th ed.) Citation

Bartsch, Thomas. "Topological Methods for Variational Problems with Symmetries." Lecture Notes in Mathematics 1993.

MLA (9th ed.) Citation

Bartsch, Thomas. "Topological Methods for Variational Problems with Symmetries." Lecture Notes in Mathematics, 1993.

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