APA
Augustin S., . (1949). De Civitate dei. Washington: The Catholic Education Press, The Catholic University.
Chicago
Augustin St, . 1949. De Civitate dei. Washington: The Catholic Education Press, The Catholic University.
Harvard
Augustin S., . (1949). De Civitate dei. Washington: The Catholic Education Press, The Catholic University.
MLA
Augustin St, . De Civitate dei. Washington: The Catholic Education Press, The Catholic University. 1949.