Cita APA (7a ed.)

Gill, R. J. (1988). The scale insects of California. California Department of Food and Agriculture.

Cita Chicago Style (17a ed.)

Gill, Raymond J. The Scale Insects of California. Sacramento, California, USA: California Department of Food and Agriculture, 1988.

Cita MLA (9a ed.)

Gill, Raymond J. The Scale Insects of California. California Department of Food and Agriculture, 1988.