APA (7th ed.) Citation

Mandelstam, S., & Yourgrau, W. (1968). Variational principles in dynamics and quantum theory (3d ed.). Saunders College Publishing.

Chicago Style (17th ed.) Citation

Mandelstam, Stanley, and Wolfgang Yourgrau. Variational Principles in Dynamics and Quantum Theory. 3d ed. Philadelphia: Saunders College Publishing, 1968.

MLA (9th ed.) Citation

Mandelstam, Stanley, and Wolfgang Yourgrau. Variational Principles in Dynamics and Quantum Theory. 3d ed. Saunders College Publishing, 1968.