APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Edmunds, D. E., and W. D. Evans. Spectral Theory and Differential Operators. Oxford [Oxfordshire] : New York: Clarendon Press ; Oxford University Press, 1987.

MLA (9th ed.) Citation

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