ScienceDirect (Online service) & Barker, F. (1979). Trondhjemites, dacites, and related rocks. Elsevier Scientific Pub. Co. ; Distributors for the U.S.A. and Canada, Elsevier/North-Holland.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and Fred Barker. Trondhjemites, Dacites, and Related Rocks. Amsterdam ; New York : New York: Elsevier Scientific Pub. Co. ; Distributors for the U.S.A. and Canada, Elsevier/North-Holland, 1979.
MLA (9th ed.) CitationScienceDirect (Online service) and Fred Barker. Trondhjemites, Dacites, and Related Rocks. Elsevier Scientific Pub. Co. ; Distributors for the U.S.A. and Canada, Elsevier/North-Holland, 1979.
Warning: These citations may not always be 100% accurate.