Cite
Magmatic Evolution of the Ordovician Snowdon Volcanic Centre, North Wales (UK).
MLA
Thorpe, R. S., et al. “Magmatic Evolution of the Ordovician Snowdon Volcanic Centre, North Wales (UK).” Journal of Petrology, vol. 34, no. 4, July 1993, pp. 711–41. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=56060176&authtype=sso&custid=ns315887.
APA
Thorpe, R. S., Leat, P. T., Mann, A. C., Howells, M. F., Reedman, A. J., & Campbell, S. D. G. (1993). Magmatic Evolution of the Ordovician Snowdon Volcanic Centre, North Wales (UK). Journal of Petrology, 34(4), 711–741.
Chicago
Thorpe, R. S., P. T. Leat, A. C. Mann, M. F. Howells, A. J. Reedman, and S. D. G. Campbell. 1993. “Magmatic Evolution of the Ordovician Snowdon Volcanic Centre, North Wales (UK).” Journal of Petrology 34 (4): 711–41. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=56060176&authtype=sso&custid=ns315887.