Cita APA (7th ed.)

Baucells, M., & Sarin, R. (2012). Engineering happiness: A new approach for building a joyful life. University of California Press.

Cita Chicago (17th ed.)

Baucells, Manel, i Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. Berkeley: University of California Press, 2012.

Cita MLA (9th ed.)

Baucells, Manel, i Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. University of California Press, 2012.