Cita APA (7th ed.)
Brehm, J. (2012). Help is on the way. University of Wisconsin Press.
Cita Chicago (17th ed.)
Brehm, John. Help Is on the Way. Madison: University of Wisconsin Press, 2012.
Cita MLA (9th ed.)
Brehm, John. Help Is on the Way. University of Wisconsin Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.