APA Style

Lanczos, Cornelius. (1949). The Variational Principles of Mechanics . NEW YORK: DOVER PUBLICATIONS.

Chicago Style

Lanczos, Cornelius. The Variational Principles of Mechanics. NEW YORK: DOVER PUBLICATIONS, 1949. Text.

MLA Style

Lanczos, Cornelius. The Variational Principles of Mechanics. NEW YORK: DOVER PUBLICATIONS, 1949. Text.

Turabian Style

Lanczos, Cornelius. The Variational Principles of Mechanics. NEW YORK: DOVER PUBLICATIONS, 1949. Print.