APA (7th ed.) Citation

Greenberg, G., Reinhart, M., & Rubess, B. (1999). The pop-up book of phobias. HarperCollins.

Chicago Style (17th ed.) Citation

Greenberg, Gary, Matthew Reinhart, and Balvis Rubess. The Pop-up Book of Phobias. New York: HarperCollins, 1999.

MLA (9th ed.) Citation

Greenberg, Gary, et al. The Pop-up Book of Phobias. HarperCollins, 1999.