APA (7e ed.) Bronvermelding

Kruskopf, E. (1976). Shaping the invisible: A study of the genesis of non-representational painting, 1908-1919. Societas Scientiarum Fennica.

Chicago (17e ed.) Bronvermelding

Kruskopf, Erik. Shaping the Invisible: A Study of the Genesis of Non-representational Painting, 1908-1919. Helsinki: Societas Scientiarum Fennica, 1976.

MLA (9e ed.) Bronvermelding

Kruskopf, Erik. Shaping the Invisible: A Study of the Genesis of Non-representational Painting, 1908-1919. Societas Scientiarum Fennica, 1976.