Citação norma APA

Williams, E. (1974). Overview of present and future work of the Communications Studies Group February 1974. Post Office Corporation.

Citação norma Chicago

Williams, Ederyn. Overview of Present and Future Work of the Communications Studies Group February 1974. Lond.: Post Office Corporation, 1974.

Citação norma MLA

Williams, Ederyn. Overview of Present and Future Work of the Communications Studies Group February 1974. Post Office Corporation, 1974.

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