Helvering, Commissioner of Internal Revenue, et al. v. Davis. Great Neck Publishing.
芝加哥风格引文Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing.
MLA引文Helvering, Commissioner of Internal Revenue, Et Al. V. Davis. Great Neck Publishing.
警告：这些引文格式不一定是100％准确.