Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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