Calvert , E. R. (1928). Countries which have abolished the Death Penalty. National Council for the abolition of the death penalty.
Chicago Style (17th ed.) CitationCalvert , Eric Roy. Countries Which Have Abolished the Death Penalty. National Council for the abolition of the death penalty, 1928.
MLA (8th ed.) CitationCalvert , Eric Roy. Countries Which Have Abolished the Death Penalty. National Council for the abolition of the death penalty, 1928.
Warning: These citations may not always be 100% accurate.