APA引文

Marx,Karl, & Engels,Frederick. (1969). Selected works in three volumes. Progress.

Chicago Edition Citation

Marx,Karl, and Engels,Frederick. Selected Works in Three Volumes. Moscow: Progress, 1969.

MLA引文

Marx,Karl, and Engels,Frederick. Selected Works in Three Volumes. Progress, 1969.

警告：這些引文格式不一定是100％准確.