APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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