APA (7th ed.) Citation

Smith, N. J. H. (1992). Tropical forests and their crops. Comstock Pub. Associates.

Chicago Style (17th ed.) Citation

Smith, Nigel J. H. Tropical Forests and Their Crops. Ithaca, N.Y.: Comstock Pub. Associates, 1992.

MLA (9th ed.) Citation

Smith, Nigel J. H. Tropical Forests and Their Crops. Comstock Pub. Associates, 1992.