Commonwealth Institute of Biological Control, & Commonwealth Institute of Biological Control. (1971). Biological control programmes against insects and weeds in Canada, 1959-1968. England: Commonwealth Agricultural Bureaux.
Chicago Style CitationCommonwealth Institute of Biological Control, and Commonwealth Institute of Biological Control. Biological Control Programmes against Insects and Weeds in Canada, 1959-1968. England: Commonwealth Agricultural Bureaux, 1971.
MLA CitationCommonwealth Institute of Biological Control, and Commonwealth Institute of Biological Control. Biological Control Programmes against Insects and Weeds in Canada, 1959-1968. England: Commonwealth Agricultural Bureaux, 1971.
Warning: These citations may not always be 100% accurate.