APA (7th ed.) Citation

O'CONNOR. (2005). Undoing perpetual stress: The missing connection between depression, anxiety, and 21st century illness. Berkley Books.

Chicago Style (17th ed.) Citation

O'CONNOR. Undoing Perpetual Stress: The Missing Connection Between Depression, Anxiety, and 21st Century Illness. New York: Berkley Books, 2005.

MLA (9th ed.) Citation

O'CONNOR. Undoing Perpetual Stress: The Missing Connection Between Depression, Anxiety, and 21st Century Illness. Berkley Books, 2005.

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