Ruthven , M. (1991). Islam in the World (ed.). Penhguins books.
芝加哥风格引文Ruthven , Malise. Islam in the World. ed. Penhguins books, 1991.
MLA引文Ruthven , Malise. Islam in the World. ed. Penhguins books, 1991.
警告：这些引文格式不一定是100％准确.
APA引文