Dietzgen, J., & Unterman, E. (2012). The Positive Outcome of Philosophy The Nature of Human Brain Work. Letters on Logic. Project Gutenberg.
Chicago Style (17th ed.) CitationDietzgen, Joseph, and Ernst Unterman. The Positive Outcome of Philosophy The Nature of Human Brain Work. Letters on Logic. Project Gutenberg, 2012.
MLA (9th ed.) CitationDietzgen, Joseph, and Ernst Unterman. The Positive Outcome of Philosophy The Nature of Human Brain Work. Letters on Logic. Project Gutenberg, 2012.
Warning: These citations may not always be 100% accurate.