APA (7th ed.) Citation

Norman, M. J. T. Tropical food crops in their environmen (2nd ed.). [s.n.].

Chicago Style (17th ed.) Citation

Norman, M. J. T. Tropical Food Crops in Their Environmen. 2nd ed. [s.l.]: [s.n.].

MLA (9th ed.) Citation

Norman, M. J. T. Tropical Food Crops in Their Environmen. 2nd ed. [s.n.].

Warning: These citations may not always be 100% accurate.