APA (7th ed.) Citation

Fernald, M. L. (1947). Additions to and subtractions from the flora of Virginia ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Fernald, Merritt Lyndon. Additions to and Subtractions from the Flora of Virginia. [Sonderdr.]. Cambridge, Mass, 1947.

MLA (9th ed.) Citation

Fernald, Merritt Lyndon. Additions to and Subtractions from the Flora of Virginia. [Sonderdr.]. 1947.