Koch, R. (1955). The book of signs: Which contains all manner of symbols used from the earliest times to the middle ages by primitive peoples and early Christians (Unabridged republ. of the English transl., London, 1930.). Dover Publ.
Chicago Style (17th ed.) CitationKoch, Rudolf. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. Unabridged republ. of the English transl., London, 1930. New York, NY: Dover Publ, 1955.
MLA (9th ed.) CitationKoch, Rudolf. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. Unabridged republ. of the English transl., London, 1930. Dover Publ, 1955.