APA (7th ed.) Citation

Bennett, C. E. G., & Graham, J. (1981). New observations on natural pyrrhotites. American Mineralogist, 66, 1254.

Chicago Style (17th ed.) Citation

Bennett, C. E. G., and J. Graham. "New Observations on Natural Pyrrhotites." American Mineralogist 66 (1981): 1254.

MLA (9th ed.) Citation

Bennett, C. E. G., and J. Graham. "New Observations on Natural Pyrrhotites." American Mineralogist, vol. 66, 1981, p. 1254.