Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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