APA (7th ed.) Citation

AGUSTIN, S., & STROTHMANN, F. W. (1966). On two Cities: : Selections from the City of God (6th. printing.). Frederick Ungar.

Chicago Style (17th ed.) Citation

AGUSTIN, San, and F. W. STROTHMANN. On Two Cities: : Selections from the City of God. 6th. printing. New York: Frederick Ungar, 1966.

MLA (9th ed.) Citation

AGUSTIN, San, and F. W. STROTHMANN. On Two Cities: : Selections from the City of God. 6th. printing. Frederick Ungar, 1966.