APA Citatie

Howard ,Daniel, De boer ,Penelope, & Eddy shaw,Ellen. (2008). Encyclopedia of organic farming-vol.iv (4.). Dominant publishers & distributers.

Chicago Style citaat

Howard ,Daniel, De boer ,Penelope, en Eddy shaw,Ellen. Encyclopedia of Organic Farming-vol.iv. 4. New Delhi: Dominant publishers & distributers, 2008.

MLA citatie

Howard ,Daniel, et al. Encyclopedia of Organic Farming-vol.iv. 4. Dominant publishers & distributers, 2008.