APA (7th ed.) Citation

Simpson, M. M., & Merrill, S. E. (1991). Dioxin and agent orange health effects: An update. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Simpson, Michael M., and Samuel E. Merrill. Dioxin and Agent Orange Health Effects: An Update. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1991.

MLA (9th ed.) Citation

Simpson, Michael M., and Samuel E. Merrill. Dioxin and Agent Orange Health Effects: An Update. Congressional Research Service, Library of Congress, 1991.