Barnhart, C. (2020). That's what friends do (First edition.). Harper.
Cita Chicago Style (17a ed.)Barnhart, Cathleen. That's What Friends Do. First edition. New York, NY: Harper, 2020.
Cita MLA (8a ed.)Barnhart, Cathleen. That's What Friends Do. First edition. Harper, 2020.
Precaución: Estas citas no son 100% exactas.