APA (7th ed.) Citation

United States. Internal Revenue Service, United States. Internal Revenue Service. Strategic Planning and Communications, & United States. Internal Revenue Service. Communications Division. (1999). Internal Revenue Service annual report. Internal Revenue Service.

Chicago Style (17th ed.) Citation

United States. Internal Revenue Service, United States. Internal Revenue Service. Strategic Planning and Communications, and United States. Internal Revenue Service. Communications Division. Internal Revenue Service Annual Report. Washington, DC: Internal Revenue Service, 1999.

MLA (9th ed.) Citation

United States. Internal Revenue Service, et al. Internal Revenue Service Annual Report. Internal Revenue Service, 1999.