APA

A 2020 vision for food a. a. t. e. 1. 1., International Food Policy Research Institute (Washington D. C., International Food Policy Research Institute (Washington D. C., National Geographic Society (Washington D. C. & National Geographic Society (Washington D. C. (1995). Speeches made at an international conference. Washington, D. C: International Food Policy Research Institute.

Chicago

A 2020 vision for food agriculture and the environment 13-15 1995, International Food Policy Research Institute (Washington D C.), International Food Policy Research Institute (Washington D C.), National Geographic Society (Washington D C.) and National Geographic Society (Washington D C.). 1995. Speeches made at an international conference. Washington, D. C: International Food Policy Research Institute.

Harvard

A 2020 vision for food a. a. t. e. 1. 1., International Food Policy Research Institute (Washington D. C., International Food Policy Research Institute (Washington D. C., National Geographic Society (Washington D. C. and National Geographic Society (Washington D. C. (1995). Speeches made at an international conference. Washington, D. C: International Food Policy Research Institute.

MLA

A 2020 vision for food agriculture and the environment 13-15 1995, International Food Policy Research Institute (Washington D C.), International Food Policy Research Institute (Washington D C.), National Geographic Society (Washington D C.) and National Geographic Society (Washington D C.). Speeches made at an international conference. Washington, D. C: International Food Policy Research Institute. 1995.