APA (7th ed.) Citation

Robert, A. L. (1967). Bacterial wilt and stewarts leaf blight of corn. [publisher not identified].

Chicago Style (17th ed.) Citation

Robert, Alice L. Bacterial Wilt and Stewarts Leaf Blight of Corn. [Place of publication not identified]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Robert, Alice L. Bacterial Wilt and Stewarts Leaf Blight of Corn. [publisher not identified], 1967.