APA (7th ed.) Citation

United States Bureau of Mines & Fantel, R. J. (1984). Phosphate rock availability-world: A minerals availability program appraisal. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

United States Bureau of Mines and R. J. Fantel. Phosphate Rock Availability-world: A Minerals Availability Program Appraisal. Washington: U.S. Dept. of the Interior, Bureau of Mines, 1984.

MLA (9th ed.) Citation

United States Bureau of Mines and R. J. Fantel. Phosphate Rock Availability-world: A Minerals Availability Program Appraisal. U.S. Dept. of the Interior, Bureau of Mines, 1984.