APA (7th ed.) Citation

Williams, F. P. (1990). Electron microscopic examination of Giardia cultures for viruses. U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory.

Chicago Style (17th ed.) Citation

Williams, Fred P. Electron Microscopic Examination of Giardia Cultures for Viruses. Cincinnati, OH: U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory, 1990.

MLA (9th ed.) Citation

Williams, Fred P. Electron Microscopic Examination of Giardia Cultures for Viruses. U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory, 1990.