Äyräs, M., Pavlov, V., & Reimann, C. (1997). Comparison of sulphur and heavy metal contents and their regional distribution in humus and moss samples from the vicinity of Nikel and Zapoljarnij, Kola Peninsula, Russia. Water, Air, and Soil Pollution, 98(3-4), 361.
Chicago Style (17th ed.) CitationÄyräs, Matti, Vladimir Pavlov, and Clemens Reimann. "Comparison of Sulphur and Heavy Metal Contents and Their Regional Distribution in Humus and Moss Samples from the Vicinity of Nikel and Zapoljarnij, Kola Peninsula, Russia." Water, Air, and Soil Pollution 98, no. 3-4 (1997): 361.
MLA (9th ed.) CitationÄyräs, Matti, et al. "Comparison of Sulphur and Heavy Metal Contents and Their Regional Distribution in Humus and Moss Samples from the Vicinity of Nikel and Zapoljarnij, Kola Peninsula, Russia." Water, Air, and Soil Pollution, vol. 98, no. 3-4, 1997, p. 361.