APA Цитирование

Titehmarsh, E. (1970). Eigenfunction expansions associated with second order differential equations. Clarendon.

Chicago-стиль цитирования

Titehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Oxford: Clarendon, 1970.

MLA-цитирование

Titehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Clarendon, 1970.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.