Sweeney, E. J. (2007). The Pyramid Age. Algora Pub..
芝加哥风格引文Sweeney, Emmet John. The Pyramid Age. New York: Algora Pub., 2007.
MLA引文Sweeney, Emmet John. The Pyramid Age. Algora Pub., 2007.
警告：这些引文格式不一定是100％准确.
APA引文
Sweeney, E. J. (2007). The Pyramid Age. Algora Pub..
芝加哥风格引文Sweeney, Emmet John. The Pyramid Age. New York: Algora Pub., 2007.
MLA引文Sweeney, Emmet John. The Pyramid Age. Algora Pub., 2007.