Sheffield, S. L. (2007). Watershed keeper. Chip Taylor Communications.
Chicago Style (17th ed.) CitationSheffield, Sandra Lee. Watershed Keeper. Derry, NH: Chip Taylor Communications, 2007.
MLA (9th ed.) CitationSheffield, Sandra Lee. Watershed Keeper. Chip Taylor Communications, 2007.
Warning: These citations may not always be 100% accurate.