Hapgood, C. H. (1970). The path of the pole (2nd ed.). Chilton.
Chicago Style (17th ed.) CitationHapgood, Charles H. The Path of the Pole. 2nd ed. Philadelphia: Chilton, 1970.
MLA引文Hapgood, Charles H. The Path of the Pole. 2nd ed. Chilton, 1970.
警告:這些引文格式不一定是100%准確.