APA (7th ed.) Citation

Patten, L. L., Anderson, N. B., & Stevenson, J. J. (1982). Preliminary testing of a prototype portable X-ray fluorescence spectrometer. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Patten, Lowell L., Neal B. Anderson, and J. J. Stevenson. Preliminary Testing of a Prototype Portable X-ray Fluorescence Spectrometer. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Patten, Lowell L., et al. Preliminary Testing of a Prototype Portable X-ray Fluorescence Spectrometer. U.S. Dept. of the Interior, Bureau of Mines, 1982.