Cita APA (7a ed.)

Wittwer, S. H. (1995). Food, climate, and carbon dioxide: The global environment and world food production. CRC.

Cita Chicago Style (17a ed.)

Wittwer, Sylvan H. Food, Climate, and Carbon Dioxide: The Global Environment and World Food Production. Boca Raton: CRC, 1995.

Cita MLA (8a ed.)

Wittwer, Sylvan H. Food, Climate, and Carbon Dioxide: The Global Environment and World Food Production. CRC, 1995.