APA
Stephen Michael Elonka, Orville Howard Johnson, . (1967). Standard Industrial Hydraulics Questions and Answers. New York: MGH.
Chicago
Stephen Michael Elonka, Orville Howard Johnson, . 1967. Standard Industrial Hydraulics Questions and Answers. New York: MGH.
Harvard
Stephen Michael Elonka, Orville Howard Johnson, . (1967). Standard Industrial Hydraulics Questions and Answers. New York: MGH.
MLA
Stephen Michael Elonka, Orville Howard Johnson, . Standard Industrial Hydraulics Questions and Answers. New York: MGH. 1967.