APA (7th ed.) Citation

Marker, B., & McCall, G. J. H. (1989). Earth science mapping for planning, development, and conservation. Graham and Trotman.

Chicago Style (17th ed.) Citation

Marker, Brian, and G. J. H. McCall. Earth Science Mapping for Planning, Development, and Conservation. London: Graham and Trotman, 1989.

MLA (9th ed.) Citation

Marker, Brian, and G. J. H. McCall. Earth Science Mapping for Planning, Development, and Conservation. Graham and Trotman, 1989.