Citazione APA

Swann, P. D. a. O. (1976). Extraction of Useful Chemical Derviatives form Coal. M.S.S. Information Corporation.

Stile di citazione Chicago

Swann, Philip D. and Others. Extraction of Useful Chemical Derviatives Form Coal. New York: M.S.S. Information Corporation, 1976.

Citazione MLA

Swann, Philip D. and Others. Extraction of Useful Chemical Derviatives Form Coal. M.S.S. Information Corporation, 1976.