APA Citation

Klingberg, H. (2001). When life calls out to us: The love and lifework of Viktor and Elly Frankl. New York: Doubleday.

MLA Citation

Klingberg, Haddon. When Life Calls Out to Us: The Love and Lifework of Viktor and Elly Frankl. New York: Doubleday, 2001.

Warning: These citations may not always be 100% accurate.