Harnack, A. v. (1981). Militia Christi: The Christian religion and the military in the first three centuries. Fortress Press.
Chicago Style (17th ed.) CitationHarnack, Adolf von. Militia Christi: The Christian Religion and the Military in the First Three Centuries. Philadelphia: Fortress Press, 1981.
MLA (9th ed.) CitationHarnack, Adolf von. Militia Christi: The Christian Religion and the Military in the First Three Centuries. Fortress Press, 1981.
Warning: These citations may not always be 100% accurate.