Cita APA (7th ed.)
Klemgard, E. Lubricating Greases: Their Manufacture and Use. Reinhold.
Cita Chicago (17th ed.)
Klemgard, E.N. Lubricating Greases: Their Manufacture and Use. Nueva York, EUA: Reinhold.
Cita MLA (9th ed.)
Klemgard, E.N. Lubricating Greases: Their Manufacture and Use. Reinhold.
Atenció: Aquestes cites poden no estar 100% correctes.