Greitens, E. (2015). Resilience: Hard-won wisdom for living a better life. Houghton Mifflin Harcourt.
Cita Chicago Style (17a ed.)Greitens, Eric. Resilience: Hard-won Wisdom for Living a Better Life. New York, New York: Houghton Mifflin Harcourt, 2015.
Cita MLA (8a ed.)Greitens, Eric. Resilience: Hard-won Wisdom for Living a Better Life. Houghton Mifflin Harcourt, 2015.
Precaución: Estas citas no son 100% exactas.