Cita APA

Association of Official Seed Analysis of North America, & Association of Official Seed Analysis of North America. (1970). Rules for testing seeds. Iowa.

Citación estilo Chicago

Association of Official Seed Analysis of North America, y Association of Official Seed Analysis of North America. Rules for Testing Seeds. Iowa, 1970.

Cita MLA

Association of Official Seed Analysis of North America, y Association of Official Seed Analysis of North America. Rules for Testing Seeds. Iowa, 1970.