APA (7th ed.) Citation

Washington Researchers, Glennon, M., & Hill, T. (1981). Researcher's guide to Washington experts. Washington Researchers.

Chicago Style (17th ed.) Citation

Washington Researchers, Michael Glennon, and Thomas Hill. Researcher's Guide to Washington Experts. Washington, D. C: Washington Researchers, 1981.

MLA (9th ed.) Citation

Washington Researchers, et al. Researcher's Guide to Washington Experts. Washington Researchers, 1981.