Cita APA (7a ed.)

Christensen, C., & Leffert, J. (2008). Seeing What's Next. Recorded Books, Inc.

Cita Chicago Style (17a ed.)

Christensen, Clayton, y Joel Leffert. Seeing What's Next. [S.I.]: Recorded Books, Inc, 2008.

Cita MLA (9a ed.)

Christensen, Clayton, y Joel Leffert. Seeing What's Next. Recorded Books, Inc, 2008.