Παραπομπή σε μορφή APA (7η εκδ.)

Wilkinson, J. W. (1909). Practical agriculture: A brief treatise on agriculture, horticulture, forestry, stock feeding, animal husbandry, and road building. American Book Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wilkinson, John W. Practical Agriculture: A Brief Treatise on Agriculture, Horticulture, Forestry, Stock Feeding, Animal Husbandry, and Road Building. New York: American Book Company, 1909.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wilkinson, John W. Practical Agriculture: A Brief Treatise on Agriculture, Horticulture, Forestry, Stock Feeding, Animal Husbandry, and Road Building. American Book Company, 1909.