Wrigley, C. W. (1995). Identification of food-grain varieties. American Association of Cereal Chemists.
Chicago Style (17th ed.) CitationWrigley, Colin W. Identification of Food-grain Varieties. St. Paul, Minn.: American Association of Cereal Chemists, 1995.
MLA (9th ed.) CitationWrigley, Colin W. Identification of Food-grain Varieties. American Association of Cereal Chemists, 1995.
Warning: These citations may not always be 100% accurate.