Cita APA (7a ed.)

IBM. (2008). 2008 annual report. International Busines Machines Corporation.

Cita Chicago Style (17a ed.)

IBM. 2008 Annual Report. Nueva York: International Busines Machines Corporation, 2008.

Cita MLA (9a ed.)

IBM. 2008 Annual Report. International Busines Machines Corporation, 2008.