APA (7th ed.) Citation

Gilbert & George. (1991). The cosmological pictures, 1989 / Gilbert and George. [s.n].

Chicago Style (17th ed.) Citation

Gilbert and George. The Cosmological Pictures, 1989 / Gilbert and George. [s.l]: [s.n], 1991.

MLA (9th ed.) Citation

Gilbert and George. The Cosmological Pictures, 1989 / Gilbert and George. [s.n], 1991.

Warning: These citations may not always be 100% accurate.