Citazione Stile APA (7a Edizione)

Hibbard, B. H. (1919). Effects of the great war upon agriculture in the United States and Great Britain. Oxford university press, American branch.

Citazione stile Chigago Style (17a edizione)

Hibbard, Benjamin Horace. Effects of the Great War upon Agriculture in the United States and Great Britain. New York: Oxford university press, American branch, 1919.

Citatione MLA (8a ed.)

Hibbard, Benjamin Horace. Effects of the Great War upon Agriculture in the United States and Great Britain. Oxford university press, American branch, 1919.