APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Yourgrau, Wolfgang, and Stanley Mandelstam. Variational Principles in Dynamics and Quantum Theory. 2d ed. New York: Pitman Pub. Corp., 1960.

MLA (9th ed.) Citation

Yourgrau, Wolfgang, and Stanley Mandelstam. Variational Principles in Dynamics and Quantum Theory. 2d ed. Pitman Pub. Corp., 1960.