Petit, G. & Dowe, D. L. (2011). Rings of functions with integer derivatives at x=1. Bulletin of the Iranian Mathematical Society, 30(No. 1), 53–67.
MLA
Petit, G., & Dowe, D. L. "Rings of functions with integer derivatives at x=1", Bulletin of the Iranian Mathematical Society, 30, No. 1, 2011, 53–67.
HARVARD
Petit, G., & Dowe, D. L. (2011). 'Rings of functions with integer derivatives at x=1', Bulletin of the Iranian Mathematical Society, 30(No. 1), pp. 53–67.
CHICAGO
Petit, G. & Dowe, D. L., "Rings of functions with integer derivatives at x=1." Bulletin of the Iranian Mathematical Society, 30 No. 1 (2011): 53–67,
VANCOUVER
Petit G., Dowe D. L. Rings of functions with integer derivatives at x=1. BIMS. 2011;30(No. 1):53–67.