Cita APA

Cornwell, P. D., & Cornwell, P. D. (2006). At risk. New York: G. P. Putnam's Sons.

Citación estilo Chicago

Cornwell, Patricia Daniels, y Patricia Daniels Cornwell. At Risk. New York: G. P. Putnam's Sons, 2006.

Cita MLA

Cornwell, Patricia Daniels, y Patricia Daniels Cornwell. At Risk. New York: G. P. Putnam's Sons, 2006.