Kruskopf, E. (1976). Shaping the invisible: A study of the genesis of non-representational painting, 1908 - 1919. Societas Scientiarum Fennica.
Chicago Style (17th ed.) CitationKruskopf, Erik. Shaping the Invisible: A Study of the Genesis of Non-representational Painting, 1908 - 1919. Helsinki: Societas Scientiarum Fennica, 1976.
MLA (9th ed.) CitationKruskopf, Erik. Shaping the Invisible: A Study of the Genesis of Non-representational Painting, 1908 - 1919. Societas Scientiarum Fennica, 1976.
Warning: These citations may not always be 100% accurate.