APA (7th ed.) Citation

Frankl, V. E., Fabry, J. B., & Fabry, J. K. (1997). Viktor Frankl recollections: An autobiography. Insight Books.

Chicago Style (17th ed.) Citation

Frankl, Viktor E., Joseph B. Fabry, and Judith K. Fabry. Viktor Frankl Recollections: An Autobiography. New York: Insight Books, 1997.

MLA (9th ed.) Citation

Frankl, Viktor E., et al. Viktor Frankl Recollections: An Autobiography. Insight Books, 1997.