APA-viite

Cox, G. W. (1964). Agricultural ecology: An analysis of world food production systems. W . H Freeman and Company.

Chicago-tyylinen lähdeviittaus

Cox, G W. Agricultural Ecology: An Analysis of World Food Production Systems. Sanfrancisco: W . H Freeman and Company, 1964.

MLA-viite

Cox, G W. Agricultural Ecology: An Analysis of World Food Production Systems. W . H Freeman and Company, 1964.