Citazione Stile APA (7a Edizione)

Davies, E. (1996). Spectral theory and differential: Operators. U. Pr.

Citazione stile Chigago Style (17a edizione)

Davies, E.B. Spectral Theory and Differential: Operators. Cambridge: U. Pr, 1996.

Citatione MLA (9a ed.)

Davies, E.B. Spectral Theory and Differential: Operators. U. Pr, 1996.