APA stil citiranja
Elsgolc, L. E. (1963). Calculus of variations: Calculus of variations (1. neprom. izd.). Pergamon Press.
Chicago stil citiranjaElsgolc, L. E. Calculus of variations: Calculus of variations. 1. neprom. izd. Pergamon Press, 1963.
MLA stil citiranjaElsgolc, L. E. Calculus of variations: Calculus of variations. 1. neprom. izd. Pergamon Press, 1963.
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