Pappas, N. J. (2014). On freedom: A philosophical dialogue. Algora Publishing.
芝加哥风格引文Pappas, Nicholas J. On Freedom: A Philosophical Dialogue. New York: Algora Publishing, 2014.
MLA引文Pappas, Nicholas J. On Freedom: A Philosophical Dialogue. Algora Publishing, 2014.
警告：这些引文格式不一定是100％准确.