APA Citation

California Certified Organic Farmers, & California Certified Organic Farmers. (1991). 1991 certification handbook. Santa Cruz, Calif.: California Certified Organic Farmers.

Chicago Style Citation

California Certified Organic Farmers, and California Certified Organic Farmers. 1991 Certification Handbook. Santa Cruz, Calif.: California Certified Organic Farmers, 1991.

MLA Citation

California Certified Organic Farmers, and California Certified Organic Farmers. 1991 Certification Handbook. Santa Cruz, Calif.: California Certified Organic Farmers, 1991.

Warning: These citations may not always be 100% accurate.