Šaḥnah, A. (1961). Mu'ammar Ibn 'Abbad Al-Sulami, a Leading Mu'tazilite of the Eighth-Ninth Centuries. The Muslim world, 51(4), 311-320. doi:10.1111/j.1478-1913.1961.tb02278.x
Chicago Style (17th ed.) CitationŠaḥnah, Anwar. "Mu'ammar Ibn 'Abbad Al-Sulami, a Leading Mu'tazilite of the Eighth-Ninth Centuries." The Muslim World 51, no. 4 (1961): 311-320, https://doi.org/10.1111/j.1478-1913.1961.tb02278.x.
MLA (9th ed.) CitationŠaḥnah, Anwar. "Mu'ammar Ibn 'Abbad Al-Sulami, a Leading Mu'tazilite of the Eighth-Ninth Centuries." The Muslim World, vol. 51, no. 4, 1961, pp. 311-320, https://doi.org/10.1111/j.1478-1913.1961.tb02278.x.
Warning: These citations may not always be 100% accurate.