APA (7e ed.) Bronvermelding

Squiers, C. (1999). "Photographs, Drawings, and Collages by Frederick Sommer". Artforum.

Chicago (17e ed.) Bronvermelding

Squiers, Carol. ""Photographs, Drawings, and Collages by Frederick Sommer"." Artforum 1999.

MLA (8e ed.) Bronvermelding

Squiers, Carol. ""Photographs, Drawings, and Collages by Frederick Sommer"." Artforum, 1999.

Let op: Deze citaties zijn niet altijd 100% accuraat.