Cita APA (7a ed.)

IBM. (1941). Contemporary art of the western hemisphere: Permanent collection. International Business Machines Corporation.

Cita Chicago Style (17a ed.)

IBM. Contemporary Art of the Western Hemisphere: Permanent Collection. [S.l.]: International Business Machines Corporation, 1941.

Cita MLA (9a ed.)

IBM. Contemporary Art of the Western Hemisphere: Permanent Collection. International Business Machines Corporation, 1941.