Cita APA

Guthrie, E. S., & Guthrie, E. S. (1923). The Book of butter: A text on the nature, manufacture and marketing of the product (Rev. edition.). New York, New York: Macmillan.

Citación estilo Chicago

Guthrie, Edward Sewall, y Edward Sewall Guthrie. The Book of Butter: A Text On the Nature, Manufacture and Marketing of the Product. Rev. edition. New York, New York: Macmillan, 1923.

Cita MLA

Guthrie, Edward Sewall, y Edward Sewall Guthrie. The Book of Butter: A Text On the Nature, Manufacture and Marketing of the Product. Rev. edition. New York, New York: Macmillan, 1923.