APA (7 वां संस्करण) प्रशस्ति पत्र

Frankl, V. E. (1984). Man's search for meaning: An introduction to logotherapy (3rd ed.). Simon & Schuster.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Frankl, Viktor E. Man's Search for Meaning: An Introduction to Logotherapy. 3rd ed. New York: Simon & Schuster, 1984.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Frankl, Viktor E. Man's Search for Meaning: An Introduction to Logotherapy. 3rd ed. Simon & Schuster, 1984.