APA (7th ed.) Citation

Schweitzer, A. (1923). Christianity and the religions of the world. Allen & Unwin.

Chicago Style (17th ed.) Citation

Schweitzer, Albert. Christianity and the Religions of the World. London: Allen & Unwin, 1923.

MLA (9th ed.) Citation

Schweitzer, Albert. Christianity and the Religions of the World. Allen & Unwin, 1923.

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