Cita APA (7a ed.)

Gradt, T., & Theiler, G. (2011). Tribological Behaviour of Solid Lubricants in Hydrogen Environment. Japanese Society of Tribologists.

Cita Chicago Style (17a ed.)

Gradt, Thomas, y Géraldine Theiler. Tribological Behaviour of Solid Lubricants in Hydrogen Environment. Japanese Society of Tribologists, 2011.

Cita MLA (8a ed.)

Gradt, Thomas, y Géraldine Theiler. Tribological Behaviour of Solid Lubricants in Hydrogen Environment. Japanese Society of Tribologists, 2011.