APA
National Academy of Science, . (1976). Underexploited tropical plants with promising economic value. Washington: National Academy of Science.
Chicago
National Academy of Science, . 1976. Underexploited tropical plants with promising economic value. Washington: National Academy of Science.
Harvard
National Academy of Science, . (1976). Underexploited tropical plants with promising economic value. Washington: National Academy of Science.
MLA
National Academy of Science, . Underexploited tropical plants with promising economic value. Washington: National Academy of Science. 1976.