American Telephone and Telegraph Company & American Telephone and Telegraph Company. Information Dept. Bell Telephone magazine. American Telephone and Telegraph Co., etc.].
Citação do estilo Chicago (17ª ed.)American Telephone and Telegraph Company e American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. [New York: American Telephone and Telegraph Co., etc.].
Citação MLA (8ª ed.)American Telephone and Telegraph Company e American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. American Telephone and Telegraph Co., etc.].
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.