Cita APA (7th ed.)

ebrary, Inc, Calef, S., & Lewis, D. (2009). Led Zeppelin and philosophy: All will be revealed. Open Court.

Cita Chicago (17th ed.)

ebrary, Inc, Scott Calef, i Dave Lewis. Led Zeppelin and Philosophy: All Will Be Revealed. Chicago: Open Court, 2009.

Cita MLA (9th ed.)

ebrary, Inc, et al. Led Zeppelin and Philosophy: All Will Be Revealed. Open Court, 2009.