Sittig. The Mayans Among Us. University of Nebraska Press.
芝加哥风格引文Sittig. The Mayans Among Us. University of Nebraska Press.
MLA引文Sittig. The Mayans Among Us. University of Nebraska Press.
警告：这些引文格式不一定是100％准确.
APA引文
Sittig. The Mayans Among Us. University of Nebraska Press.
芝加哥风格引文Sittig. The Mayans Among Us. University of Nebraska Press.
MLA引文Sittig. The Mayans Among Us. University of Nebraska Press.