APA (7th ed.) Citation

Back, K. W. (1973). Beyond words: The story of sensitivity training and the encounter movement. Penguin Books.

Chicago Style (17th ed.) Citation

Back, Kurt W. Beyond Words: The Story of Sensitivity Training and the Encounter Movement. Baltimore: Penguin Books, 1973.

MLA (9th ed.) Citation

Back, Kurt W. Beyond Words: The Story of Sensitivity Training and the Encounter Movement. Penguin Books, 1973.