APA (7th ed.) Citation

Wimbledon, W. A. P. (2012). Geoheritage in Europe and its conservation. ProGeo.

Chicago Style (17th ed.) Citation

Wimbledon, William A. P. Geoheritage in Europe and Its Conservation. Oslo: ProGeo, 2012.

MLA (9th ed.) Citation

Wimbledon, William A. P. Geoheritage in Europe and Its Conservation. ProGeo, 2012.

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