Cita APA (7a ed.)
Horn, C. (2008). Publishers committed to age guidance plan. Bookseller, 5350, 5.
Cita Chicago Style (17a ed.)
Horn, Caroline. "Publishers Committed to Age Guidance Plan." Bookseller 5350 (2008): 5.
Cita MLA (9a ed.)
Horn, Caroline. "Publishers Committed to Age Guidance Plan." Bookseller, 5350, 2008, p. 5.
Precaución: Estas citas no son 100% exactas.