Cita APA (7th ed.)

Frankl, V. E. (2008). Man's search for meaning. Rider.

Cita Chicago (17th ed.)

Frankl, Viktor E. Man's Search for Meaning. London: Rider, 2008.

Cita MLA (9th ed.)

Frankl, Viktor E. Man's Search for Meaning. Rider, 2008.