APA (7th ed.) Citation

Ritchie, G. A. (1979). New agricultural crops. Published by Westview Press for the American Association for the Advancement of Science, Washington, D.C.

Chicago Style (17th ed.) Citation

Ritchie, Gary A. New Agricultural Crops. Boulder, Colo: Published by Westview Press for the American Association for the Advancement of Science, Washington, D.C, 1979.

MLA (9th ed.) Citation

Ritchie, Gary A. New Agricultural Crops. Published by Westview Press for the American Association for the Advancement of Science, Washington, D.C, 1979.