Gill, R. J. (1988). The scale insects of California. California Department of Food and Agriculture.
Chicago Style (17th ed.) CitationGill, Raymond J. The Scale Insects of California. Sacramento, California, USA: California Department of Food and Agriculture, 1988.
MLA (9th ed.) CitationGill, Raymond J. The Scale Insects of California. California Department of Food and Agriculture, 1988.
Warning: These citations may not always be 100% accurate.