Ford, R. I. (1994). The nature and status of ethnobotany (2nd ed.). University of Michigan.
Chicago Style (17th ed.) CitationFord, Richard I. The Nature and Status of Ethnobotany. 2nd ed. Ann Arbor: University of Michigan, 1994.
MLA (9th ed.) CitationFord, Richard I. The Nature and Status of Ethnobotany. 2nd ed. University of Michigan, 1994.