Gaya APA

Nasr, S, H, , (. (1991). Islamic spirituality: Foundations. Preface: Ewert Cousins. World Spirituality, 19 . New York: New York Crossroad.

Gaya MLA

Nasr, Seyyed, Hossein, , (ed.). "Islamic spirituality: Foundations. Preface: Ewert Cousins. World Spirituality, 19". New York: New York Crossroad, 1991. Buku.