APA (7th ed.) Citation

Barbier, E. B. (1987). Cash crops, food crops and agricultural sustainability.

Chicago Style (17th ed.) Citation

Barbier, Edward B. Cash Crops, Food Crops and Agricultural Sustainability. 1987.

MLA (9th ed.) Citation

Barbier, Edward B. Cash Crops, Food Crops and Agricultural Sustainability. 1987.

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