Cita APA (7a ed.)

Nelson, C., & Lucie-Smith, E. (1991). The bear cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. Walter.

Cita Chicago Style (17a ed.)

Nelson, Chris, y Edward Lucie-Smith. The Bear Cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. London: Walter, 1991.

Cita MLA (8a ed.)

Nelson, Chris, y Edward Lucie-Smith. The Bear Cult: Photographs by Chris Nelson. Introduced by Edward Lucie-Smith. Walter, 1991.