Williams, G. (1982). Elsevier's dictionary of weeds of western Europe: Their common names and importance in Latin, Danish, German, English, Spanish, Finnish, French, Icelandic, Italian, Dutch, Norwegian, Portuguese, and Swedish. Elsevier Scientific.
Chicago Style (17th ed.) CitationWilliams, Gareth. Elsevier's Dictionary of Weeds of Western Europe: Their Common Names and Importance in Latin, Danish, German, English, Spanish, Finnish, French, Icelandic, Italian, Dutch, Norwegian, Portuguese, and Swedish. Amsterdam ; New York: Elsevier Scientific, 1982.
MLA (9th ed.) CitationWilliams, Gareth. Elsevier's Dictionary of Weeds of Western Europe: Their Common Names and Importance in Latin, Danish, German, English, Spanish, Finnish, French, Icelandic, Italian, Dutch, Norwegian, Portuguese, and Swedish. Elsevier Scientific, 1982.