Cita APA (7a ed.)

Hughes, M., & McLellan, D. L. (1985). Increased co-activation of the upper limb muscles in writer's cramp. [s.n.].

Cita Chicago Style (17a ed.)

Hughes, M., y D. L. McLellan. Increased Co-activation of the Upper Limb Muscles in Writer's Cramp. [S.l.]: [s.n.], 1985.

Cita MLA (9a ed.)

Hughes, M., y D. L. McLellan. Increased Co-activation of the Upper Limb Muscles in Writer's Cramp. [s.n.], 1985.