Cita APA (7a ed.)

Carlson, R. (2005). Easier than you think --because life doesn't have to be so hard: The small changes that add up to a world of difference. HarperSanFrancisco.

Cita Chicago Style (17a ed.)

Carlson, Richard. Easier than You Think --because Life Doesn't Have to Be so Hard: The Small Changes That Add Up to a World of Difference. [San Francisco]: HarperSanFrancisco, 2005.

Cita MLA (8a ed.)

Carlson, Richard. Easier than You Think --because Life Doesn't Have to Be so Hard: The Small Changes That Add Up to a World of Difference. HarperSanFrancisco, 2005.

Precaución: Estas citas no son 100% exactas.