Cita APA (7a ed.)

Johnson, C. (2008). Kindness goes unpunished. Penguin Books.

Cita Chicago Style (17a ed.)

Johnson, Craig. Kindness Goes Unpunished. New York: Penguin Books, 2008.

Cita MLA (8a ed.)

Johnson, Craig. Kindness Goes Unpunished. Penguin Books, 2008.

Precaución: Estas citas no son 100% exactas.