Cita APA (7th ed.)

Copping, L. G. (1996). Crop protection agents from nature. The Royal Society of Chemistry.

Cita Chicago (17th ed.)

Copping, Leonard G. Crop Protection Agents from Nature. Cambridge: The Royal Society of Chemistry, 1996.

Cita MLA (9th ed.)

Copping, Leonard G. Crop Protection Agents from Nature. The Royal Society of Chemistry, 1996.