APA(7版)引用形式

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

Chicagoスタイル(17版)引用形式

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

MLA(8版)引用形式

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