Cita APA (7a ed.)

Irvine, W. B. (2019). The stoic challenge: A philosopher's guide to becoming tougher, calmer, and more resilient (First edition.). W.W. Norton & Company.

Cita Chicago Style (17a ed.)

Irvine, William Braxton. The Stoic Challenge: A Philosopher's Guide to Becoming Tougher, Calmer, and More Resilient. First edition. New York, NY: W.W. Norton & Company, 2019.

Cita MLA (8a ed.)

Irvine, William Braxton. The Stoic Challenge: A Philosopher's Guide to Becoming Tougher, Calmer, and More Resilient. First edition. W.W. Norton & Company, 2019.

Precaución: Estas citas no son 100% exactas.