Cita APA (7a ed.)
Harding, E. (2007). Publishers urged to use BookPower. Bookseller, 5265, 18.
Cita Chicago Style (17a ed.)
Harding, Eleanor. "Publishers Urged to Use BookPower." Bookseller 5265 (2007): 18.
Cita MLA (9a ed.)
Harding, Eleanor. "Publishers Urged to Use BookPower." Bookseller, 5265, 2007, p. 18.
Precaución: Estas citas no son 100% exactas.