APA (7th ed.) Citation

Gourdin, M. M. (1969). Langrangian formalism and symmetry laws. Gordon and Breach Science Publishers.

Chicago Style (17th ed.) Citation

Gourdin, Michel M. Langrangian Formalism and Symmetry Laws. New York: Gordon and Breach Science Publishers, 1969.

MLA (9th ed.) Citation

Gourdin, Michel M. Langrangian Formalism and Symmetry Laws. Gordon and Breach Science Publishers, 1969.

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