Pickering, W. (1997). Conservation in Britain: An illustrated resource. Willmot Pertwee Conservation Trust.
Chicago Style (17th ed.) CitationPickering, W.R. Conservation in Britain: An Illustrated Resource. Essex: Willmot Pertwee Conservation Trust, 1997.
MLA (8th ed.) CitationPickering, W.R. Conservation in Britain: An Illustrated Resource. Willmot Pertwee Conservation Trust, 1997.
Warning: These citations may not always be 100% accurate.