Guthrie, E. S. (1923). The book of butter: A text on the nature, manufacture and marketing of the product (Rev. ed.). Macmillan.
Chicago Style (17th ed.) CitationGuthrie, Edward Sewall. The Book of Butter: A Text on the Nature, Manufacture and Marketing of the Product. Rev. ed. New York: Macmillan, 1923.
MLA (9th ed.) CitationGuthrie, Edward Sewall. The Book of Butter: A Text on the Nature, Manufacture and Marketing of the Product. Rev. ed. Macmillan, 1923.
Warning: These citations may not always be 100% accurate.