Cita APA (7a ed.)

Pietsch, A. (1980). Operator ideals. North-Holland Pub. Co. ; Sole distributors for the U.S.A. and Canada, Elsevier North-Holland.

Cita Chicago Style (17a ed.)

Pietsch, A. Operator Ideals. Amsterdam ; New York : New York: North-Holland Pub. Co. ; Sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.

Cita MLA (8a ed.)

Pietsch, A. Operator Ideals. North-Holland Pub. Co. ; Sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1980.