Cita APA (7a ed.)

Gelfand, I. M., & Fomin, S. V. (2000). Calculus of variations. Dover.

Cita Chicago Style (17a ed.)

Gelfand, I. M., y S. V. Fomin. Calculus of Variations. Nueva York: Dover, 2000.

Cita MLA (9a ed.)

Gelfand, I. M., y S. V. Fomin. Calculus of Variations. Dover, 2000.