APA (7th ed.) Citation

Ryan, J. E. (2017). Wait, What? and Life's other essential questions. Harper Collins.

Chicago Style (17th ed.) Citation

Ryan, James E. Wait, What? and Life's Other Essential Questions. New York: Harper Collins, 2017.

MLA (9th ed.) Citation

Ryan, James E. Wait, What? and Life's Other Essential Questions. Harper Collins, 2017.