Cita APA

Cronkite Ward Company., Discovery Communications, I., Discovery Networks., Curtin, J., & Dowd, M. (1997). Todo sobre. [S.l.]: Discovery Communications.

Citación estilo Chicago

Cronkite Ward Company., Inc Discovery Communications, Discovery Networks, Jane Curtin, y Marijo Dowd. Todo Sobre. [S.l.]: Discovery Communications, 1997.

Cita MLA

Cronkite Ward Company., et al. Todo Sobre. [S.l.]: Discovery Communications, 1997.