APA (7th ed.) Citation

Callahan, D. (2016). The five horsemen of the modern world: Climate, food, water, disease, and obesity. Columbia University Press.

Chicago Style (17th ed.) Citation

Callahan, Daniel. The Five Horsemen of the Modern World: Climate, Food, Water, Disease, and Obesity. New York: Columbia University Press, 2016.

MLA (9th ed.) Citation

Callahan, Daniel. The Five Horsemen of the Modern World: Climate, Food, Water, Disease, and Obesity. Columbia University Press, 2016.