Cita APA (7a ed.)
(2011). products and services by CATEGORY. Computers in Libraries, 31(6), 36-46.
Cita Chicago Style (17a ed.)
"Products and Services by CATEGORY." Computers in Libraries 31, no. 6 (2011): 36-46.
Cita MLA (9a ed.)
"Products and Services by CATEGORY." Computers in Libraries, vol. 31, no. 6, 2011, pp. 36-46.
Precaución: Estas citas no son 100% exactas.