Welburn, A. J. (2004). Rudolf Steiner's philosophy: And the crisis of contemporary thought. Floris.
芝加哥风格引文Welburn, Andrew J. Rudolf Steiner's Philosophy: And the Crisis of Contemporary Thought. Edinburgh: Floris, 2004.
MLA引文Welburn, Andrew J. Rudolf Steiner's Philosophy: And the Crisis of Contemporary Thought. Floris, 2004.
警告：这些引文格式不一定是100％准确.