APA (7th ed.) Citation

International Telecommunication Union. (1999). Collection of the basic texts of the International Telecommunication Union (Edition 1999.). International Telecommunication Union.

Chicago Style (17th ed.) Citation

International Telecommunication Union. Collection of the Basic Texts of the International Telecommunication Union. Edition 1999. Geneva: International Telecommunication Union, 1999.

MLA (9th ed.) Citation

International Telecommunication Union. Collection of the Basic Texts of the International Telecommunication Union. Edition 1999. International Telecommunication Union, 1999.