Cita APA (7a ed.)
Ludema, K. C. Friction, Wear, Lubrication: A Textbook in Tribology. CRC Press.
Cita estilo Chicago (17a ed.)
Ludema, Kenneth C. Friction, Wear, Lubrication: A Textbook in Tribology. Boca Ratón, EUA: CRC Press.
Cita MLA (9a ed.)
Ludema, Kenneth C. Friction, Wear, Lubrication: A Textbook in Tribology. CRC Press.
Precaución: Estas citas no son 100% exactas.