Ludwig, E., Paul, E., & Paul, C. (1926). Napoleon. Garden City Pub.
芝加哥风格引文Ludwig, Emil, Eden Paul, 与 Cedar Paul. Napoleon. Garden City, N.Y: Garden City Pub, 1926.
MLA引文Ludwig, Emil, et al. Napoleon. Garden City Pub, 1926.
警告：这些引文格式不一定是100％准确.
APA引文