Style de citation APA (7e éd.)

Gould, S. H. (1966). Variational methods for eigenvalue problems: An introduction to the Weinstein method of intermediate problems (2nd ed. revised and enlarged.). Oxford University Press.

Style de citation Chicago (17e éd.)

Gould, Sydney H. Variational Methods for Eigenvalue Problems: An Introduction to the Weinstein Method of Intermediate Problems. 2nd ed. revised and enlarged. Toronto: Oxford University Press, 1966.

Style de citation MLA (9e éd.)

Gould, Sydney H. Variational Methods for Eigenvalue Problems: An Introduction to the Weinstein Method of Intermediate Problems. 2nd ed. revised and enlarged. Oxford University Press, 1966.