Graf, O. A. (2000). Otto Wagner. Böhlau.
Chicago Style (17th ed.) CitationGraf, Otto Antonia. Otto Wagner. Wien [u.a.]: Böhlau, 2000.
MLA (9th ed.) CitationGraf, Otto Antonia. Otto Wagner. Böhlau, 2000.
Warning: These citations may not always be 100% accurate.