Comstock, A. B. (1941). Handbook of nature-study QH53 .C7. Comstock Publishing.
芝加哥风格引文Comstock, Anna Botsford. Handbook of Nature-study QH53 .C7. Ithaca, New York: Comstock Publishing, 1941.
MLA引文Comstock, Anna Botsford. Handbook of Nature-study QH53 .C7. Comstock Publishing, 1941.
警告：这些引文格式不一定是100％准确.