APA (7th ed.) Citation

Edmunds, D., & Evans, W. (1987). Spectral theory and differential operators. Clarendon Press.

Chicago Style (17th ed.) Citation

Edmunds, D.E, and W.D Evans. Spectral Theory and Differential Operators. Oxford: Clarendon Press, 1987.

MLA (8th ed.) Citation

Edmunds, D.E, and W.D Evans. Spectral Theory and Differential Operators. Clarendon Press, 1987.

Warning: These citations may not always be 100% accurate.