Cita APA (7th ed.)
Frankl, V. E. (1988). The will to meaning. Penguin group.
Cita Chicago (17th ed.)
Frankl, Viktor E. The Will to Meaning. New York: Penguin group, 1988.
Cita MLA (9th ed.)
Frankl, Viktor E. The Will to Meaning. Penguin group, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.