Boyle. The Human Spirit. Penn State University Press.
芝加哥风格引文Boyle. The Human Spirit. Penn State University Press.
MLA引文Boyle. The Human Spirit. Penn State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Boyle. The Human Spirit. Penn State University Press.
芝加哥风格引文Boyle. The Human Spirit. Penn State University Press.
MLA引文Boyle. The Human Spirit. Penn State University Press.