McDonnell, P. (2007). Hug time. Little, Brown.
Cita Chicago Style (17a ed.)McDonnell, Patrick. Hug Time. New York: Little, Brown, 2007.
Cita MLA (8a ed.)McDonnell, Patrick. Hug Time. Little, Brown, 2007.
Precaución: Estas citas no son 100% exactas.