APA (7th ed.) Citation

Yourgrau, W., & Mandelstam, S. (1960). Variational principles in dynamics and quantum theory (2a. ed.). Pitman Publishing.

Chicago Style (17th ed.) Citation

Yourgrau, Wolfgang, and Stanley Mandelstam. Variational Principles in Dynamics and Quantum Theory. 2a. ed. Nueva York: Pitman Publishing, 1960.

MLA (9th ed.) Citation

Yourgrau, Wolfgang, and Stanley Mandelstam. Variational Principles in Dynamics and Quantum Theory. 2a. ed. Pitman Publishing, 1960.