Citação norma APA

Discovery Communications, I., Discovery Channel School (Firm), & Discovery Networks. (2005). Plato's Republic. Bethesda, Md.: Discovery Communications, Inc. : Distributed by Discovery Channel School.

Citação norma Chicago

Discovery Communications, Inc., Discovery Channel School (Firm), e Discovery Networks. Plato's Republic. Bethesda, Md.: Discovery Communications, Inc. : Distributed by Discovery Channel School, 2005.

Citação norma MLA

Discovery Communications, Inc., Discovery Channel School (Firm), e Discovery Networks. Plato's Republic. Bethesda, Md.: Discovery Communications, Inc. : Distributed by Discovery Channel School, 2005.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.