APA (7th ed.) Citation

Helrich, C. S. (2012). The classical theory of fields: Electromagnetism. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Helrich, Carl S. The Classical Theory of Fields: Electromagnetism. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

MLA (8th ed.) Citation

Helrich, Carl S. The Classical Theory of Fields: Electromagnetism. Springer Berlin Heidelberg, 2012.