Citazione Stile APA (7a Edizione)

Bray, W. L. (1912). The development of the vegetation of New York state (2nd ed.). Spracuse University.

Citazione stile Chigago Style (17a edizione)

Bray, William L. The Development of the Vegetation of New York State. 2nd ed. New York: Spracuse University, 1912.

Citatione MLA (9a ed.)

Bray, William L. The Development of the Vegetation of New York State. 2nd ed. Spracuse University, 1912.