APA引文
ebrary, Inc, Cienciala, A. M., Lebedeva, N. S., & Materski, W. (2007). Katyn: A crime without punishment. Yale University Press.
Chicago Style (17th ed.) Citation
ebrary, Inc, Anna M. Cienciala, N. S. Lebedeva, and Wojciech Materski. Katyn: A Crime Without Punishment. New Haven: Yale University Press, 2007.
MLA引文
ebrary, Inc, et al. Katyn: A Crime Without Punishment. Yale University Press, 2007.
警告：這些引文格式不一定是100％准確.