APA (7th ed.) Citation

Biller, K. (2002). Viktor Frankl - opposing views. Journal of contemporary history.

Chicago Style (17th ed.) Citation

Biller, Karlheinz. "Viktor Frankl - Opposing Views." Journal of Contemporary History 2002.

MLA (8th ed.) Citation

Biller, Karlheinz. "Viktor Frankl - Opposing Views." Journal of Contemporary History, 2002.

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