Cita APA (7a ed.)

Skotko, B., & Levine, S. P. (2009). Fasten your seatbelt: A crash course on Down syndrome for brothers and sisters. Woodbine House.

Cita Chicago Style (17a ed.)

Skotko, Brian, y Susan P. Levine. Fasten Your Seatbelt: A Crash Course on Down Syndrome for Brothers and Sisters. Bethesda: Woodbine House, 2009.

Cita MLA (9a ed.)

Skotko, Brian, y Susan P. Levine. Fasten Your Seatbelt: A Crash Course on Down Syndrome for Brothers and Sisters. Woodbine House, 2009.