Pestina says: help stop the spread of plant pests.

APA Citation

United States. Agricultural Research Service., United States. Department of Agriculture. (1969). Pestina says: help stop the spread of plant pests. Washington, DC: United States Government Printing Office.

MLA Citation

United States. Agricultural Research Service, and United States. Department of Agriculture. Pestina Says: Help Stop the Spread of Plant Pests. Washington, DC: United States Government Printing Office, 1969.