Nelson, C., & Lucie-Smith, E. (1991). The bear cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. Walter.
Chicago-referens (17:e uppl.)Nelson, Chris, och Edward Lucie-Smith. The Bear Cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. London: Walter, 1991.
MLA-referens (8:e uppl.)Nelson, Chris, och Edward Lucie-Smith. The Bear Cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. Walter, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.