Waugh, T. (1996). Hard to imagine: Gay male eroticism in photography and film from their beginnings to Stonewall. Columbia University.
Citação do estilo Chicago (17ª ed.)Waugh, Thomas. Hard to Imagine: Gay Male Eroticism in Photography and Film from Their Beginnings to Stonewall. New York: Columbia University, 1996.
Citação MLA (8ª ed.)Waugh, Thomas. Hard to Imagine: Gay Male Eroticism in Photography and Film from Their Beginnings to Stonewall. Columbia University, 1996.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.