APA (7th ed.) Zitazioa

Lanczos, C. (1970). The variational principles of mechanics (4a. ed.). Dover.

Chicago Style (17th ed.) Zitazioa

Lanczos, Cornelius. The Variational Principles of Mechanics. 4a. ed. Nueva York: Dover, 1970.

MLA (9th ed.) Zitazioa

Lanczos, Cornelius. The Variational Principles of Mechanics. 4a. ed. Dover, 1970.