Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.