APA (7th ed.) Citation

Rektorys, K. (1980). Variational methods in mathematics, science, and engineering (2nd ed.). D. Reidel Pub. Co.

Chicago Style (17th ed.) Citation

Rektorys, Karel. Variational Methods in Mathematics, Science, and Engineering. 2nd ed. Dordrecht Boston: D. Reidel Pub. Co, 1980.

MLA (9th ed.) Citation

Rektorys, Karel. Variational Methods in Mathematics, Science, and Engineering. 2nd ed. D. Reidel Pub. Co, 1980.

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