Cita APA

Gelfand, I. M., & Fomin, S. V. (1963). Calculus of variations. Englewood Cliffs: Prentice-Hall.

Citación estilo Chicago

Gelfand, I. M., and S. V. Fomin. Calculus of Variations. Englewood Cliffs: Prentice-Hall, 1963.

Cita MLA

Gelfand, I. M., and S. V. Fomin. Calculus of Variations. Englewood Cliffs: Prentice-Hall, 1963.