APA

Williams D. D., . (1949). God's grace and man's hope. New York: Harper.

Chicago

Williams Daniel Day, . 1949. God's grace and man's hope. New York: Harper.

Harvard

Williams D. D., . (1949). God's grace and man's hope. New York: Harper.

MLA

Williams Daniel Day, . God's grace and man's hope. New York: Harper. 1949.