American Society for Testing and Materials. (2003). Standard test methods for ammonia nitrogen in water. ASTM.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials. Standard Test Methods for Ammonia Nitrogen in Water. Philadelphia: ASTM, 2003.
MLA (9th ed.) CitationAmerican Society for Testing and Materials. Standard Test Methods for Ammonia Nitrogen in Water. ASTM, 2003.
Warning: These citations may not always be 100% accurate.