APA (7th ed.) Citation

Rassias, G. M., & Rassias, T. M. (1985). Differential geometry, calculus of variations, and their applications. M. Dekker.

Chicago Style (17th ed.) Citation

Rassias, George M., and Themistocles M. Rassias. Differential Geometry, Calculus of Variations, and Their Applications. New York: M. Dekker, 1985.

MLA (9th ed.) Citation

Rassias, George M., and Themistocles M. Rassias. Differential Geometry, Calculus of Variations, and Their Applications. M. Dekker, 1985.