APA

Schweitzer A., Powers J., . (1939). Christianity and the religions of the world. New York: H. Holt and Company.

Chicago

Schweitzer Albert, Powers Johanna, . 1939. Christianity and the religions of the world. New York: H. Holt and Company.

Harvard

Schweitzer A., Powers J., . (1939). Christianity and the religions of the world. New York: H. Holt and Company.

MLA

Schweitzer Albert, Powers Johanna, . Christianity and the religions of the world. New York: H. Holt and Company. 1939.