Style de citation APA (7e éd.)
Frankl, V. E., Batthyany, A., & Tallon, A. (2010). The feeling of meaninglessness: A challenge to psychotherapy and philosophy. Marquette University Press.
Style de citation Chicago (17e éd.)
Frankl, Viktor E., Alexander Batthyany, et Andrew Tallon. The Feeling of Meaninglessness: A Challenge to Psychotherapy and Philosophy. Milwaukee, Wis.: Marquette University Press, 2010.
Style de citation MLA (9e éd.)
Frankl, Viktor E., et al. The Feeling of Meaninglessness: A Challenge to Psychotherapy and Philosophy. Marquette University Press, 2010.
Attention : ces citations peuvent ne pas être correctes à 100%.