Cita APA (7a ed.)

Schmidt, C. E., Sharkey. A.G, & Friedel, R. (1974). Mass spectometric analysis of product water from coal gasification. U.S. Dept. of the Interior.

Cita Chicago Style (17a ed.)

Schmidt, C. E., Sharkey. A.G, y R.A Friedel. Mass Spectometric Analysis of Product Water from Coal Gasification. [Washington, D.C.]: U.S. Dept. of the Interior, 1974.

Cita MLA (9a ed.)

Schmidt, C. E., et al. Mass Spectometric Analysis of Product Water from Coal Gasification. U.S. Dept. of the Interior, 1974.