Impossible worlds :
2 in 1: adventures with impossible objects: optical illusions
APA Citation
Ernst, B. (2006). Impossible worlds: 2 in 1: adventures with impossible objects: optical illusions. [S.l.]: Taschen.
MLA Citation
Ernst, Bruno. Impossible Worlds: 2 In 1: Adventures With Impossible Objects: Optical Illusions. [S.l.]: Taschen, 2006.
Warning: These citations may not always be complete (especially for serials).