APA (7th ed.) Citation

Howitt, R. E. (1975). Pesticide externality policy, an optimal control approach. University Microfilms International.

Chicago Style (17th ed.) Citation

Howitt, Richard Edgar. Pesticide Externality Policy, an Optimal Control Approach. Ann Arbor: University Microfilms International, 1975.

MLA (9th ed.) Citation

Howitt, Richard Edgar. Pesticide Externality Policy, an Optimal Control Approach. University Microfilms International, 1975.