Cita APA (7a ed.)

Holt, Rinehart, and Winston, inc. (2007). Earth science. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Holt, Rinehart, and Winston, inc. Earth Science. Orlando, FL: Holt, Rinehart and Winston, 2007.

Cita MLA (9a ed.)

Holt, Rinehart, and Winston, inc. Earth Science. Holt, Rinehart and Winston, 2007.

Precaución: Estas citas no son 100% exactas.