Ludwig, E. (1947). Bolivar: The life of an idealist tr by Mary H Lindsay.
Chicago Edition CitationLudwig, Emil. Bolivar: The Life of an Idealist Tr by Mary H Lindsay. 1947.
MLA引文Ludwig, Emil. Bolivar: The Life of an Idealist Tr by Mary H Lindsay. 1947.
警告：這些引文格式不一定是100％准確.