APA (7th ed.) Citation

Loya, E. W., Seitz, C. A., & Emerson, D. E. (1982). Gravimetric preparation of primary standard gas mixtures in the parts per trillion range. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Loya, Ernest W., Charles A. Seitz, and David E. Emerson. Gravimetric Preparation of Primary Standard Gas Mixtures in the Parts Per Trillion Range. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Loya, Ernest W., et al. Gravimetric Preparation of Primary Standard Gas Mixtures in the Parts Per Trillion Range. U.S. Dept. of the Interior, Bureau of Mines, 1982.