Cita APA (7a ed.)

Ritchey, K. D., McCraw, S. B., & Coker, D. L. (2010). A comparison of metrics for scoring beginnning spelling. [s.n.].

Cita Chicago Style (17a ed.)

Ritchey, Kristen D., Sara B. McCraw, y David L. Coker. A Comparison of Metrics for Scoring Beginnning Spelling. [S.l.]: [s.n.], 2010.

Cita MLA (9a ed.)

Ritchey, Kristen D., et al. A Comparison of Metrics for Scoring Beginnning Spelling. [s.n.], 2010.