Smyth, F. P., & Greenough, S. (1989). On the art of fixing a shadow: One hundred and fifty years of photography ; [National Gallery of Art, Washington 7.5. - 30.7.1989, The Art Institute of Chicago 16.9. - 16.11.1989, Los Angeles County Museum of Art 21.12.1989 - 25.2.1990] / Sarah Greenough. National Gallery of Art [u.a.].
Chicago-viite (17. p.)Smyth, Frances P., ja Sarah Greenough. On the Art of Fixing a Shadow: One Hundred and Fifty Years of Photography ; [National Gallery of Art, Washington 7.5. - 30.7.1989, The Art Institute of Chicago 16.9. - 16.11.1989, Los Angeles County Museum of Art 21.12.1989 - 25.2.1990] / Sarah Greenough. [Washington, DC] [u.a.]: National Gallery of Art [u.a.], 1989.
MLA-viite (8. p.)Smyth, Frances P., ja Sarah Greenough. On the Art of Fixing a Shadow: One Hundred and Fifty Years of Photography ; [National Gallery of Art, Washington 7.5. - 30.7.1989, The Art Institute of Chicago 16.9. - 16.11.1989, Los Angeles County Museum of Art 21.12.1989 - 25.2.1990] / Sarah Greenough. National Gallery of Art [u.a.], 1989.