APA
Francis d. S. S., . (1950). Introduction to the devout life. New York: Harper and Brothers.
Chicago
Francis de Sales St, . 1950. Introduction to the devout life. New York: Harper and Brothers.
Harvard
Francis d. S. S., . (1950). Introduction to the devout life. New York: Harper and Brothers.
MLA
Francis de Sales St, . Introduction to the devout life. New York: Harper and Brothers. 1950.
