APA (7th ed.) Citation

Little, C. E. (1969). Challenge of the land: Open space preservation at the local level. Pergamon Press.

Chicago Style (17th ed.) Citation

Little, Charles E. Challenge of the Land: Open Space Preservation at the Local Level. New York: Pergamon Press, 1969.

MLA (9th ed.) Citation

Little, Charles E. Challenge of the Land: Open Space Preservation at the Local Level. Pergamon Press, 1969.