APA (7th ed.) Citation

Becker, C. H. (1909). Christianity and Islam. Harper & Row, Publishers.

Chicago Style (17th ed.) Citation

Becker, C. H. Christianity and Islam. London: Harper & Row, Publishers, 1909.

MLA (9th ed.) Citation

Becker, C. H. Christianity and Islam. Harper & Row, Publishers, 1909.

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