Citazione Stile APA (7a Edizione)

Lawrence, G. H. M. (1951). Taxonomy of Vascular Plants. Macmillan.

Citazione stile Chigago Style (17a edizione)

Lawrence, George Hill Mathewson. Taxonomy of Vascular Plants. New York: Macmillan, 1951.

Citatione MLA (9a ed.)

Lawrence, George Hill Mathewson. Taxonomy of Vascular Plants. Macmillan, 1951.