APA (7th ed.) Citation

Cook, O. F. (1898). [Designation of assistant chief of Division of Botany]. [publisher not identified].

Chicago Style (17th ed.) Citation

Cook, O. F. [Designation of Assistant Chief of Division of Botany]. Washington, D.C.: [publisher not identified], 1898.

MLA (9th ed.) Citation

Cook, O. F. [Designation of Assistant Chief of Division of Botany]. [publisher not identified], 1898.