APA (7th ed.) Citation

Sack, R. D. (1997). Homo geographicus : a framework for action, awareness, and moral concern / Robert David Sack: A framework for action, awareness, and moral concern. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Sack, Robert David. Homo Geographicus : A Framework for Action, Awareness, and Moral Concern / Robert David Sack: A Framework for Action, Awareness, and Moral Concern. Baltimore ; London: Johns Hopkins University Press, 1997.

MLA (9th ed.) Citation

Sack, Robert David. Homo Geographicus : A Framework for Action, Awareness, and Moral Concern / Robert David Sack: A Framework for Action, Awareness, and Moral Concern. Johns Hopkins University Press, 1997.

Warning: These citations may not always be 100% accurate.