APA (7th ed.) Citation

United States. National Technical Information Service. Information Analysis Branch & United States. Environmental Protection Agency. Environmental microthesaurus: A hierarchical list of indexing terms used by NTIS. Dept. of Commerce, National Tecnhical Information used bt NTIS.

Chicago Style (17th ed.) Citation

United States. National Technical Information Service. Information Analysis Branch and United States. Environmental Protection Agency. Environmental Microthesaurus: A Hierarchical List of Indexing Terms Used by NTIS. Springfield, Va.: Dept. of Commerce, National Tecnhical Information used bt NTIS.

MLA (8th ed.) Citation

United States. National Technical Information Service. Information Analysis Branch and United States. Environmental Protection Agency. Environmental Microthesaurus: A Hierarchical List of Indexing Terms Used by NTIS. Dept. of Commerce, National Tecnhical Information used bt NTIS.