Cita APA

Travis Hudson. (2012). Living with Earth: An Introduction to Environmental Geology. PHI Learning.

Chicago Edition Citation

Travis Hudson. Living with Earth: An Introduction to Environmental Geology. NewDelhi: PHI Learning, 2012.

Cita MLA

Travis Hudson. Living with Earth: An Introduction to Environmental Geology. PHI Learning, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.