APA
Phillips J. B., . (1957). Letters to young churches. New York: Macmillan Co.
Chicago
Phillips J B, . 1957. Letters to young churches. New York: Macmillan Co.
Harvard
Phillips J. B., . (1957). Letters to young churches. New York: Macmillan Co.
MLA
Phillips J B, . Letters to young churches. New York: Macmillan Co. 1957.