Fitter, R., & Farrer, A. (1984). Collins guide to grasses, sedges, rushes and ferns of Britain and Northern Europe.
Chicago Style (17th ed.) CitationFitter, Richard, and Anne Farrer. Collins Guide to Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe. [London] (HarperCollins Publisher), 1984.
MLA (8th ed.) CitationFitter, Richard, and Anne Farrer. Collins Guide to Grasses, Sedges, Rushes and Ferns of Britain and Northern Europe. 1984.
Warning: These citations may not always be 100% accurate.