Cita APA

Justice, O. L., & Justice, O. L. (1954). Uniform classification of weed and grop seeds. Ottawa: Canada Departamento of Agriculture.

Citación estilo Chicago

Justice, Oren L., y Oren L. Justice. Uniform Classification of Weed and Grop Seeds. Ottawa: Canada Departamento of Agriculture, 1954.

Cita MLA

Justice, Oren L., y Oren L. Justice. Uniform Classification of Weed and Grop Seeds. Ottawa: Canada Departamento of Agriculture, 1954.