APA引文
ebrary, Inc, Mahdi, K. A., Würth, A., & Lackner, H. (2007). Yemen into the twenty-first century: Continuity and change. Ithaca Press.
Chicago Style (17th ed.) Citation
ebrary, Inc, Kamil A. Mahdi, Anna Würth, and Helen Lackner. Yemen into the Twenty-first Century: Continuity and Change. Reading, UK: Ithaca Press, 2007.
MLA引文
ebrary, Inc, et al. Yemen into the Twenty-first Century: Continuity and Change. Ithaca Press, 2007.
警告：這些引文格式不一定是100％准確.