APA (7th ed.) Citation

GAS 3 (Group) & International Telecommunication Union. (1983). General network planning. International Telecommunication Union International Telegraph and Telephone Consultative Committee.

Chicago Style (17th ed.) Citation

GAS 3 (Group) and International Telecommunication Union. General Network Planning. Geneva: International Telecommunication Union International Telegraph and Telephone Consultative Committee, 1983.

MLA (9th ed.) Citation

GAS 3 (Group) and International Telecommunication Union. General Network Planning. International Telecommunication Union International Telegraph and Telephone Consultative Committee, 1983.