Coles, J. M., & Bengtsson, L. (1990). Images of the past: A guide to the rock carvings and other ancient monuments of Northern Bohuslän. Hällristningsmuseet Vitlycke.
Chicago Style (17th ed.) CitationColes, J. M., and Lasse Bengtsson. Images of the Past: A Guide to the Rock Carvings and Other Ancient Monuments of Northern Bohuslän. Uddevalla [Sweden]: Hällristningsmuseet Vitlycke, 1990.
MLA (9th ed.) CitationColes, J. M., and Lasse Bengtsson. Images of the Past: A Guide to the Rock Carvings and Other Ancient Monuments of Northern Bohuslän. Hällristningsmuseet Vitlycke, 1990.
Warning: These citations may not always be 100% accurate.