Cita APA (7th ed.)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, Edison Electric Institute, & American Telephone and Telegraph Company. Engineering reports. Charles Francis Press.

Cita Chicago (17th ed.)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, Edison Electric Institute, i American Telephone and Telegraph Company. Engineering Reports. New York,: Charles Francis Press.

Cita MLA (8th ed.)

Joint Subcommittee on Development and Research of the Edison Electric Institute and the Bell Telephone System, et al. Engineering Reports. Charles Francis Press.