APA-Zitierstil (7. Ausg.)

Sagan, H. (1992). Introduction to the calculus of variations (Dover ed., 1. publ.). Dover Publ.

Chicago-Zitierstil (17. Ausg.)

Sagan, Hans. Introduction to the Calculus of Variations. Dover ed., 1. publ. New York: Dover Publ, 1992.

MLA-Zitierstil (9. Ausg.)

Sagan, Hans. Introduction to the Calculus of Variations. Dover ed., 1. publ. Dover Publ, 1992.