Cita APA (7a ed.)

Cox, A. .. (1960). Potato blight epidemics throughout the world. Departament of Agriculture.

Cita Chicago Style (17a ed.)

Cox, A .E. Potato Blight Epidemics Throughout the World. Washington: Departament of Agriculture, 1960.

Cita MLA (8a ed.)

Cox, A .E. Potato Blight Epidemics Throughout the World. Departament of Agriculture, 1960.