The Pesticide manual :
a world compendium /
editor, Charles R. Worthing, associate editor, Raymond J. Hance.

APA Citation

Hance, R. J., Worthing, C. R., British Crop Protection Council. (1991). The Pesticide manual: a world compendium. 9th ed. Farnham, Surrey, UK: British Crop Protection Council.

MLA Citation

Hance, R. J, Charles R Worthing, and British Crop Protection Council. The Pesticide Manual: a World Compendium. 9th ed. Farnham, Surrey, UK: British Crop Protection Council, 1991.

Warning: These citations may not always be complete (especially for serials).