APA (7th ed.) Citation

Elonka, S. M., & Johnson, O. H. (1967). Standard industrial hydraulics questions and answers. McGraw-Hill.

Chicago Style (17th ed.) Citation

Elonka, Stephen Michael, and Orville Howard Johnson. Standard Industrial Hydraulics Questions and Answers. New York: McGraw-Hill, 1967.

MLA (9th ed.) Citation

Elonka, Stephen Michael, and Orville Howard Johnson. Standard Industrial Hydraulics Questions and Answers. McGraw-Hill, 1967.