APA (7th ed.) Citation

Gourdin, M. (1969). Lagrangian formalism and symmetry laws. Gordon and Breach.

Chicago Style (17th ed.) Citation

Gourdin, Michel. Lagrangian Formalism and Symmetry Laws. New York [u.a.]: Gordon and Breach, 1969.

MLA (9th ed.) Citation

Gourdin, Michel. Lagrangian Formalism and Symmetry Laws. Gordon and Breach, 1969.

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