APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (8. Ausg.)

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