APA-viite (7. p.)

Polke, S. (1988). What interests me is the unforeseeable: Sigmar Polke talks about his work. Flash Art.

Chicago-viite (17. p.)

Polke, Sigmar. "What Interests Me Is the Unforeseeable: Sigmar Polke Talks About His Work." Flash Art 1988.

MLA-viite (8. p.)

Polke, Sigmar. "What Interests Me Is the Unforeseeable: Sigmar Polke Talks About His Work." Flash Art, 1988.