Elonka, S. M., & Johnson, O. H. (1967). Standard industrial hydraulics questions and answers / by Stephen Michael Elonka, Orville Howard Johnson. McGraw-Hill.
Chicago Style (17th ed.) CitationElonka, Stephen Michael, and Orville Howard Johnson. Standard Industrial Hydraulics Questions and Answers / by Stephen Michael Elonka, Orville Howard Johnson. New York ; London: McGraw-Hill, 1967.
MLA (9th ed.) CitationElonka, Stephen Michael, and Orville Howard Johnson. Standard Industrial Hydraulics Questions and Answers / by Stephen Michael Elonka, Orville Howard Johnson. McGraw-Hill, 1967.
Warning: These citations may not always be 100% accurate.