APA (7 ম সংস্করণ) উদ্ধৃতি

Titchmarsh, E. C. (1962). Eigenfunction expansions associated with second-order differential equations (2d ed.). Clarendon Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Titchmarsh, E. C. Eigenfunction Expansions Associated with Second-order Differential Equations. 2d ed. Oxford: Clarendon Press, 1962.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Titchmarsh, E. C. Eigenfunction Expansions Associated with Second-order Differential Equations. 2d ed. Clarendon Press, 1962.