MLA

Pierssené, Andrew. Explaining Our World : an Approach to the Art of Environmental Interpretation. London: E & FN Spon, 1999.

APA

Pierssené, A. (1999). Explaining our world : an approach to the art of environmental interpretation. London: E & FN Spon.

Chicago

Pierssené, Andrew. Explaining Our World: An Approach to the Art of Environmental Interpretation. London: E & FN Spon, 1999.