एपीए उद्धरण

Forster, K. (2006). Operator theory in Krein spaces and nonlinear Eigenvalue problems. Birkhauser Verlag.

शिकागो स्टाइल उद्धरण

Forster, Karl-Heinz. Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems. Basel: Birkhauser Verlag, 2006.

एमएलए उद्धरण

Forster, Karl-Heinz. Operator Theory in Krein Spaces and Nonlinear Eigenvalue Problems. Birkhauser Verlag, 2006.