Cita APA (7a ed.)

Spencer-Wendel, S., & Witter, B. (2013). Until I say good-bye: My year of living with joy. HarperCollins.

Cita Chicago Style (17a ed.)

Spencer-Wendel, Susan, y Bret Witter. Until I Say Good-bye: My Year of Living with Joy. New York: HarperCollins, 2013.

Cita MLA (8a ed.)

Spencer-Wendel, Susan, y Bret Witter. Until I Say Good-bye: My Year of Living with Joy. HarperCollins, 2013.

Precaución: Estas citas no son 100% exactas.