Cita APA (7a ed.)

Frankl, V. E. (2015). Man's search for meaning.

Cita Chicago Style (17a ed.)

Frankl, Viktor E. Man's Search for Meaning. 2015.

Cita MLA (8a ed.)

Frankl, Viktor E. Man's Search for Meaning. 2015.

Precaución: Estas citas no son 100% exactas.