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URL: https://www.epa.gov/sites/default/files/2015-08/documents/method_350-1_1993.pdf

Citation Style: 
APA
Citation Text: 
O’Dell, J.W., 1993a. In: Method 350.1, Revision 2.0: Determination of Ammonia Nitrogen by Semi-automated Colorimetry. US EPA.
Identifier Type: 
URL
Identifier Value: 
https://www.epa.gov/sites/default/files/2015-08/documents/method_350-1_1993.pdf
Resource Type: 
Publication