APA Style

Walker, J, D., Cohen, H, A. (2006). The Geoscience Handbook, AGI Data Sheets 4th Edition (4th Edition). AS: American Geological Institute.

MLA Style

Walker, J., Douglas., Cohen, Harvey, A.. "The Geoscience Handbook, AGI Data Sheets 4th Edition". 4th Edition AS: American Geological Institute, 2006. Text.