Marcos, F. E. (1972). A constant creed.
芝加哥风格引文Marcos, Ferdinand E. A Constant Creed. 1972.
MLA引文Marcos, Ferdinand E. A Constant Creed. 1972.
警告：这些引文格式不一定是100％准确.
APA引文
Marcos, F. E. (1972). A constant creed.
芝加哥风格引文Marcos, Ferdinand E. A Constant Creed. 1972.
MLA引文Marcos, Ferdinand E. A Constant Creed. 1972.