Frankl, V. E., Lasch, I., Kushner, H. S., & Winslade, W. J. (2006). Man's search for meaning. Beacon Press.
Cita Chicago Style (17a ed.)Frankl, Viktor E., Ilse Lasch, Harold S. Kushner, y William J. Winslade. Man's Search for Meaning. Boston: Beacon Press, 2006.
Cita MLA (8a ed.)Frankl, Viktor E., et al. Man's Search for Meaning. Beacon Press, 2006.
Precaución: Estas citas no son 100% exactas.