Cita APA (7a ed.)
Ryan, J. (2008). Robyn Sisman says her goodbyes to Penguin. Bookseller, 5314, 15.
Cita Chicago Style (17a ed.)
Ryan, John. "Robyn Sisman Says Her Goodbyes to Penguin." Bookseller 5314 (2008): 15.
Cita MLA (9a ed.)
Ryan, John. "Robyn Sisman Says Her Goodbyes to Penguin." Bookseller, 5314, 2008, p. 15.
Precaución: Estas citas no son 100% exactas.