United States. National Air Pollution Control Administration, GCA Corporation. Technology Division, & American Petroleum Institute. (1969). Study of reactions of sulphur in stack plumes: First annual report, April 12, 1967 to April 11, 1968. The Division.
芝加哥风格引文United States. National Air Pollution Control Administration, GCA Corporation. Technology Division, 与 American Petroleum Institute. Study of Reactions of Sulphur in Stack Plumes: First Annual Report, April 12, 1967 to April 11, 1968. Bedford, Mass.: The Division, 1969.
MLA引文United States. National Air Pollution Control Administration, et al. Study of Reactions of Sulphur in Stack Plumes: First Annual Report, April 12, 1967 to April 11, 1968. The Division, 1969.
警告：这些引文格式不一定是100％准确.