Cita APA (7a ed.)
Tivnan, T., & Stone, P. (2010). Tough at the top. Bookseller, 5416, 28-32.
Cita Chicago Style (17a ed.)
Tivnan, Tom, y Philip Stone. "Tough at the Top." Bookseller 5416 (2010): 28-32.
Cita MLA (9a ed.)
Tivnan, Tom, y Philip Stone. "Tough at the Top." Bookseller, 5416, 2010, pp. 28-32.
Precaución: Estas citas no son 100% exactas.