Spraying and other controls for diseases and insects that attack trees and shrubs.

APA Citation

Wester, H. V. (1968). Spraying and other controls for diseases and insects that attack trees and shrubs. Washington, D.C.: Government Printing Office.

MLA Citation

Wester, Horace V. Spraying And Other Controls for Diseases And Insects That Attack Trees And Shrubs. Washington, D.C.: Government Printing Office, 1968.