APA (7th ed.) Citation

Gel'fand, I. M., Fomin, S. V., & Silverman, R. A. (1963). Calculus of variations / I.M. Gelfand, S.V. Fomin (Revised English ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Gel'fand, I. M., S. V. Fomin, and Richard A. Silverman. Calculus of Variations / I.M. Gelfand, S.V. Fomin. Revised English ed. Englewood Cliffs: Prentice-Hall, 1963.

MLA (9th ed.) Citation

Gel'fand, I. M., et al. Calculus of Variations / I.M. Gelfand, S.V. Fomin. Revised English ed. Prentice-Hall, 1963.

Warning: These citations may not always be 100% accurate.