Cita APA (7th ed.)

Ruelfs, E., & Berger, T. (2009). Images recalled: 3. Fotofestival Mannheim, Ludwigshafen, Heidelberg. Kehrer.

Cita Chicago (17th ed.)

Ruelfs, Esther, i Tobias Berger. Images Recalled: 3. Fotofestival Mannheim, Ludwigshafen, Heidelberg. Heidelberg: Kehrer, 2009.

Cita MLA (8th ed.)

Ruelfs, Esther, i Tobias Berger. Images Recalled: 3. Fotofestival Mannheim, Ludwigshafen, Heidelberg. Kehrer, 2009.