Cita APA (7a ed.)

Grafton, S. (2009). U is for undertow. G.P. Putnam's Sons.

Cita Chicago Style (17a ed.)

Grafton, Sue. U Is for Undertow. New York: G.P. Putnam's Sons, 2009.

Cita MLA (8a ed.)

Grafton, Sue. U Is for Undertow. G.P. Putnam's Sons, 2009.

Precaución: Estas citas no son 100% exactas.