APA (7th ed.) Citation

Gelfand, I. M., & Silverman, R. A. (1963). Calculus of variations. Prentice Hall. Inc.

Chicago Style (17th ed.) Citation

Gelfand, I. M., and Richard A. Silverman. Calculus of Variations. Englewood Cliffs: Prentice Hall. Inc, 1963.

MLA (8th ed.) Citation

Gelfand, I. M., and Richard A. Silverman. Calculus of Variations. Prentice Hall. Inc, 1963.

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