Cita APA (7a ed.)

Davidsdottir, S., Cronin-Golomb, A., & Lee, A. (2005). Visual and spatial symptoms in Parkinson's disease. [s.n.].

Cita Chicago Style (17a ed.)

Davidsdottir, Sigurros, Alice Cronin-Golomb, y Alison Lee. Visual and Spatial Symptoms in Parkinson's Disease. [S.l.]: [s.n.], 2005.

Cita MLA (9a ed.)

Davidsdottir, Sigurros, et al. Visual and Spatial Symptoms in Parkinson's Disease. [s.n.], 2005.