Cita APA (7th ed.)
ebrary, Inc, & Ruttan, V. W. (1994). Agriculture, environment, and health: Sustainable development in the 21st century. University of Minnesota Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. Minneapolis: University of Minnesota Press, 1994.
Cita MLA (9th ed.)
ebrary, Inc, i Vernon W. Ruttan. Agriculture, Environment, and Health: Sustainable Development in the 21st Century. University of Minnesota Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.