Ahern, G. (1984). Sun at midnight: The Rudolf Steiner movement and the Western esoteric tradition. Aquarian Press.
芝加哥风格引文Ahern, Geoffrey. Sun at Midnight: The Rudolf Steiner Movement and the Western Esoteric Tradition. Wellingborough: Aquarian Press, 1984.
MLA引文Ahern, Geoffrey. Sun at Midnight: The Rudolf Steiner Movement and the Western Esoteric Tradition. Aquarian Press, 1984.
警告：这些引文格式不一定是100％准确.