McGehee, P. (1985). Beyond happiness. Stubbeljumper Press.
Cita Chicago Style (17a ed.)McGehee, Peter. Beyond Happiness. Toronto: Stubbeljumper Press, 1985.
Cita MLA (8a ed.)McGehee, Peter. Beyond Happiness. Stubbeljumper Press, 1985.
Precaución: Estas citas no son 100% exactas.