APA (7th ed.) Citation

Potter, A. (1998). Putting the positive thinker to work. Berkley Books.

Chicago Style (17th ed.) Citation

Potter, Alice. Putting the Positive Thinker to Work. New york: Berkley Books, 1998.

MLA (9th ed.) Citation

Potter, Alice. Putting the Positive Thinker to Work. Berkley Books, 1998.