Cita APA (7a ed.)
Pictures of the Year & Olson, C. The Best of Photojournalism 12. National Press Photographers Association ; University of Missouri, School of Journalism.
Cita estilo Chicago (17a ed.)
Pictures of the Year y Cal Olson. The Best of Photojournalism 12. Seattle, EUA : Columbia, EUA: National Press Photographers Association ; University of Missouri, School of Journalism.
Cita MLA (9a ed.)
Pictures of the Year y Cal Olson. The Best of Photojournalism 12. National Press Photographers Association ; University of Missouri, School of Journalism.
Precaución: Estas citas no son 100% exactas.