Style de citation APA (7e éd.)

American Telephone and Telegraph Company & American Telephone and Telegraph Company. Information Dept. Bell Telephone magazine. American Telephone and Telegraph Co., etc.].

Style de citation Chicago (17e éd.)

American Telephone and Telegraph Company et American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. [New York: American Telephone and Telegraph Co., etc.].

Style de citation MLA (8e éd.)

American Telephone and Telegraph Company et American Telephone and Telegraph Company. Information Dept. Bell Telephone Magazine. American Telephone and Telegraph Co., etc.].