Cita APA (7a ed.)

Pfeffer, S. B., & Bauer, E. (2010). This world we live in (Unabridged.). Listening Library.

Cita Chicago Style (17a ed.)

Pfeffer, Susan Beth, y Emily Bauer. This World We Live in. Unabridged. New York: Listening Library, 2010.

Cita MLA (8a ed.)

Pfeffer, Susan Beth, y Emily Bauer. This World We Live in. Unabridged. Listening Library, 2010.

Precaución: Estas citas no son 100% exactas.