Pontifex, M. (1943). Freedom and External Influence. The Downside review, 61(2), 98-104. doi:10.1177/001258064306100204
芝加哥风格引文Pontifex, Mark. "Freedom and External Influence." The Downside Review 61, no. 2 (1943): 98-104, https://doi.org/10.1177/001258064306100204.
MLA引文Pontifex, Mark. "Freedom and External Influence." The Downside Review, vol. 61, no. 2, 1943, pp. 98-104, https://doi.org/10.1177/001258064306100204.
警告：这些引文格式不一定是100％准确.