Cita APA (7a ed.)

University of Illinois Agricultural Experiment Station & Urbana. (1960). Weeds of the North Central States. [editor no identificado].

Cita Chicago Style (17a ed.)

University of Illinois Agricultural Experiment Station y Urbana. Weeds of the North Central States. [Lugar de publicación no identificado]: [editor no identificado], 1960.

Cita MLA (8a ed.)

University of Illinois Agricultural Experiment Station y Urbana. Weeds of the North Central States. [editor no identificado], 1960.