Cita APA (7th ed.)

Columbia Broadcasting System, Inc. CBS Television. (1956). At year's end 1956. [s.n.].

Cita Chicago (17th ed.)

Columbia Broadcasting System, Inc. CBS Television. At Year's End 1956. [New York]: [s.n.], 1956.

Cita MLA (9th ed.)

Columbia Broadcasting System, Inc. CBS Television. At Year's End 1956. [s.n.], 1956.