APA
McKean S. J., Robinson D. M., . (1992). Shifting cultivation and alternatives: An annotated bibliography 1972-1989. London: CAB International.
Chicago
McKean Sheila J, Robinson Daniel M, . 1992. Shifting cultivation and alternatives: An annotated bibliography 1972-1989. London: CAB International.
Harvard
McKean S. J., Robinson D. M., . (1992). Shifting cultivation and alternatives: An annotated bibliography 1972-1989. London: CAB International.
MLA
McKean Sheila J, Robinson Daniel M, . Shifting cultivation and alternatives: An annotated bibliography 1972-1989. London: CAB International. 1992.