APA (7th ed.) Citation

Farlow, W. G., & Seymour, A. B. (1888). A provisional host-index of the fungi of the United States. [s.n.].

Chicago Style (17th ed.) Citation

Farlow, W. G., and A. B. Seymour. A Provisional Host-index of the Fungi of the United States. Cambridge: [s.n.], 1888.

MLA (8th ed.) Citation

Farlow, W. G., and A. B. Seymour. A Provisional Host-index of the Fungi of the United States. [s.n.], 1888.