APA stil citiranja

Friedrichs, K. O. (1980). Spectral theory of operators in hilbert space: Spectral theory of operators in hilbert space (2. ispr. izd.). Berlin: Springer Verlag.

Chicago stil citiranja

Friedrichs, Kurt Otto. Spectral theory of operators in hilbert space: Spectral theory of operators in hilbert space. 2. ispr. izd. Berlin: Springer Verlag, 1980.

MLA stil citiranja

Friedrichs, Kurt Otto. Spectral theory of operators in hilbert space: Spectral theory of operators in hilbert space. 2. ispr. izd. Berlin: Springer Verlag, 1980.