Παραπομπή σε μορφή APA (7η εκδ.)

Waring, G. E. (1855). The elements of agriculture: A book for young farmers, with questions prepared for the use of schools. S.M. Walton.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Waring, George E. The Elements of Agriculture: A Book for Young Farmers, with Questions Prepared for the Use of Schools. Montpelier: S.M. Walton, 1855.

Παραπομπή σε μορφή MLA (8th εκδ.)

Waring, George E. The Elements of Agriculture: A Book for Young Farmers, with Questions Prepared for the Use of Schools. S.M. Walton, 1855.