Cita APA

Knoblauch, H. C. (1962). State agricultural experiment stations: A history of research policy and procedure. Washington: U.S. Departamento of Agriculture.

Citación estilo Chicago

Knoblauch, H. C. State Agricultural Experiment Stations: A History of Research Policy and Procedure. Washington: U.S. Departamento of Agriculture, 1962.

Cita MLA

Knoblauch, H. C. State Agricultural Experiment Stations: A History of Research Policy and Procedure. Washington: U.S. Departamento of Agriculture, 1962.