APA
Economides M. J., Oligney R. E. & Oligney R. E.The color of oil. : .
Chicago
Economides Michael J, Oligney Ronald E and Oligney Ronald E.The color of oil. : .
Harvard
Economides M. J., Oligney R. E. and Oligney R. E.The color of oil. : .
MLA
Economides Michael J, Oligney Ronald E and Oligney Ronald E.: . .
