Walker, P. E. (1993). Early philosophical Shiism: The Ismaili Neoplatonism of Abū Yaʻqūb al-Sijistānī. Cambridge University Press. https://doi.org/10.1017/CBO9780511520648
Chicago Style (17th ed.) CitationWalker, Paul E. Early Philosophical Shiism: The Ismaili Neoplatonism of Abū Yaʻqūb Al-Sijistānī. Cambridge: Cambridge University Press, 1993. https://doi.org/10.1017/CBO9780511520648.
MLA (9th ed.) CitationWalker, Paul E. Early Philosophical Shiism: The Ismaili Neoplatonism of Abū Yaʻqūb Al-Sijistānī. Cambridge University Press, 1993. https://doi.org/10.1017/CBO9780511520648.
Warning: These citations may not always be 100% accurate.