APA (7th ed.) Citation

Bell, R. (1968). The Origin of Islam in its Christin enviroment. Frank Cass & Co. Ltd.

Chicago Style (17th ed.) Citation

Bell, Richard. The Origin of Islam in Its Christin Enviroment. Frank Cass & Co. Ltd, 1968.

MLA (8th ed.) Citation

Bell, Richard. The Origin of Islam in Its Christin Enviroment. Frank Cass & Co. Ltd, 1968.

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