APA Style

Fredrickson, B. (2009). Positivity: Groundbreaking Research Reveals How to Embrace the Hidden Strength of POsitive Emotions, Overcome Negativity, and Thrive (1st Ed). New York: Crown Publishers.

MLA Style

Fredrickson, Barbara. "Positivity: Groundbreaking Research Reveals How to Embrace the Hidden Strength of POsitive Emotions, Overcome Negativity, and Thrive". 1st Ed New York: Crown Publishers, 2009. Books.