Swan, H., & Lewis, D. (1974). Seventh nutrition conference for feed manufacturers. Air Publishing.
芝加哥风格引文Swan, Henry, 与 Dyfed Lewis. Seventh Nutrition Conference for Feed Manufacturers. Westport, Connecticut: Air Publishing, 1974.
MLA引文Swan, Henry, 与 Dyfed Lewis. Seventh Nutrition Conference for Feed Manufacturers. Air Publishing, 1974.
警告：这些引文格式不一定是100％准确.