Ashton, B. G. (1967). Genes, chromosomes and evolution. Longmans.
芝加哥风格引文Ashton, Beryl Grace. Genes, Chromosomes and Evolution. London,: Longmans, 1967.
MLA引文Ashton, Beryl Grace. Genes, Chromosomes and Evolution. Longmans, 1967.
警告：这些引文格式不一定是100％准确.