APA (7th ed.) Citation

Ruthven, M. (1991). Islam in the world (Reprinted with revisions and a new preface.). Penguin Books.

Chicago Style (17th ed.) Citation

Ruthven, Malise. Islam in the World. Reprinted with revisions and a new preface. Harmondsworth [u.a.]: Penguin Books, 1991.

MLA (8th ed.) Citation

Ruthven, Malise. Islam in the World. Reprinted with revisions and a new preface. Penguin Books, 1991.

Warning: These citations may not always be 100% accurate.