Cita APA

Hancock, P., & Hancock, P. (1999). Just good friends. New York: Cambridge University Press.

Citación estilo Chicago

Hancock, Penny, y Penny Hancock. Just Good Friends. New York: Cambridge University Press, 1999.

Cita MLA

Hancock, Penny, y Penny Hancock. Just Good Friends. New York: Cambridge University Press, 1999.