Cita APA (7a ed.)

Conboy, M., & Ballard, R. D. (2004). In search of Easter. National Geographic.

Cita Chicago Style (17a ed.)

Conboy, Martha, y Robert D. Ballard. In Search of Easter. [Washington, DC?]: National Geographic, 2004.

Cita MLA (8a ed.)

Conboy, Martha, y Robert D. Ballard. In Search of Easter. National Geographic, 2004.

Precaución: Estas citas no son 100% exactas.