Hellmann, M. (1969). IvÆn IV "el Terrible". IbØrico Europea.
Chicago Style (17th ed.) CitationHellmann, Manfred. IvÆn IV "El Terrible". Madrid: IbØrico Europea, 1969.
MLA (9th ed.) CitationHellmann, Manfred. IvÆn IV "El Terrible". IbØrico Europea, 1969.
Warning: These citations may not always be 100% accurate.