Cita APA (7a ed.)

Gordon, J., & Decker, D. (2020). Stay positive: Encouraging quotes and messages to fuel your life with positive energy. Wiley.

Cita Chicago Style (17a ed.)

Gordon, Jon, y Daniel Decker. Stay Positive: Encouraging Quotes and Messages to Fuel Your Life with Positive Energy. Hoboken, New Jersey: Wiley, 2020.

Cita MLA (8a ed.)

Gordon, Jon, y Daniel Decker. Stay Positive: Encouraging Quotes and Messages to Fuel Your Life with Positive Energy. Wiley, 2020.