APA   Click to copy
Pearson, V., Allen, R., Dean, T., Gamaldo, C., Lesage, S., & Earley, C. (2006). Cognitive deficits associated with restless legs syndrome (RLS). Sleep Medicine.

Chicago/Turabian   Click to copy
Pearson, V., R. Allen, Terry Dean, C. Gamaldo, S. Lesage, and C. Earley. “Cognitive Deficits Associated with Restless Legs Syndrome (RLS).” Sleep Medicine (2006).

MLA   Click to copy
Pearson, V., et al. “Cognitive Deficits Associated with Restless Legs Syndrome (RLS).” Sleep Medicine, 2006.

@article{v2006a,
  title = {Cognitive deficits associated with restless legs syndrome (RLS).},
  year = {2006},
  journal = {Sleep Medicine},
  author = {Pearson, V. and Allen, R. and Dean, Terry and Gamaldo, C. and Lesage, S. and Earley, C.}
}