Cita APA (7th ed.)

Everitt, W. N. (1975). Spectral theory and differential equations. Springer-Verlag.

Cita Chicago (17th ed.)

Everitt, W. N. Spectral Theory and Differential Equations. Berlín: Springer-Verlag, 1975.

Cita MLA (9th ed.)

Everitt, W. N. Spectral Theory and Differential Equations. Springer-Verlag, 1975.