APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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