APA (7th ed.) Citation

Schwarz, W., Maxsein, T., & Smith, P. An example for Gelfands theory of commutative Banach algebras.

Chicago Style (17th ed.) Citation

Schwarz, Wolfgang, Thomas Maxsein, and Paul Smith. An Example for Gelfands Theory of Commutative Banach Algebras.

MLA (9th ed.) Citation

Schwarz, Wolfgang, et al. An Example for Gelfands Theory of Commutative Banach Algebras.

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