APA-viite

Davies, E. B. (1995). Spectral theory and differential operators. Cambridge University Press.

Chicago-tyylinen lähdeviittaus

Davies, E. B. Spectral Theory and Differential Operators. Cambridge ; New York: Cambridge University Press, 1995.

MLA-viite

Davies, E. B. Spectral Theory and Differential Operators. Cambridge University Press, 1995.