Gaya APA

Cohen, D, E. (S.a). Whatmatters: the world's preeminent photojournalists and thinkers depict essential issues of our time . New York: Sterling.

Gaya MLA

Cohen, David, Elliot. "Whatmatters: the world's preeminent photojournalists and thinkers depict essential issues of our time". New York: Sterling, S.a. Text.