APA (7th ed.) Citation

United States. Rural Electrification Administration. (1978). Specification for direct burial telephone cable: Air core. Dept. of Agriculture, Rural Electrification Administration.

Chicago Style (17th ed.) Citation

United States. Rural Electrification Administration. Specification for Direct Burial Telephone Cable: Air Core. [Washington]: Dept. of Agriculture, Rural Electrification Administration, 1978.

MLA (9th ed.) Citation

United States. Rural Electrification Administration. Specification for Direct Burial Telephone Cable: Air Core. Dept. of Agriculture, Rural Electrification Administration, 1978.