APA (7th ed.) Citation

Parkinson, H. E. (1974). Mine pager to public telephone interconnect system. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Parkinson, Howard E. Mine Pager to Public Telephone Interconnect System. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1974.

MLA (9th ed.) Citation

Parkinson, Howard E. Mine Pager to Public Telephone Interconnect System. U.S. Dept. of the Interior, Bureau of Mines, 1974.

Warning: These citations may not always be 100% accurate.