Petrenko, S. N. (1927). Comparative tests of 6-inch cast-iron pipes of American and French manufacture. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationPetrenko, Serge Nicolas. Comparative Tests of 6-inch Cast-iron Pipes of American and French Manufacture. [Washington?]: U.S. Government Printing Office, 1927.
MLA (9th ed.) CitationPetrenko, Serge Nicolas. Comparative Tests of 6-inch Cast-iron Pipes of American and French Manufacture. U.S. Government Printing Office, 1927.
Warning: These citations may not always be 100% accurate.