APA (7th ed.) Citation

Harper, L. J., & Davis, . S. (1984). Food, nutrition and agriculture: Student workbook. FAO.

Chicago Style (17th ed.) Citation

Harper, Laura Jane, and Susan Davis. Food, Nutrition and Agriculture: Student Workbook. Rome: FAO, 1984.

MLA (9th ed.) Citation

Harper, Laura Jane, and Susan Davis. Food, Nutrition and Agriculture: Student Workbook. FAO, 1984.