Cita APA (7a ed.)

Carstensen, L. L., & Hartel, C. R. (2006). When I'm 64. National Academies Press.

Cita Chicago Style (17a ed.)

Carstensen, Laura L., y Christine R. Hartel. When I'm 64. Washington, DC: National Academies Press, 2006.

Cita MLA (9a ed.)

Carstensen, Laura L., y Christine R. Hartel. When I'm 64. National Academies Press, 2006.