APA (7th ed.) Citation

Guerin, C., & Pigram, J. (1990). Environmental interpretation in recreaton planning for people with desability. Centre des hautes etudes touristiques.

Chicago Style (17th ed.) Citation

Guerin, Cecily, and John Pigram. Environmental Interpretation in Recreaton Planning for People with Desability. Paris: Centre des hautes etudes touristiques, 1990.

MLA (9th ed.) Citation

Guerin, Cecily, and John Pigram. Environmental Interpretation in Recreaton Planning for People with Desability. Centre des hautes etudes touristiques, 1990.