National Portrait Gallery <London>, Dyer, R., & Toksvig, S. (2009). Gay icons: Introduction by Sandi Toksvig. Essay by Richard Dyer. National Portrait Gallery.
Citação do estilo Chicago (17ª ed.)National Portrait Gallery <London>, Richard Dyer, e Sandi Toksvig. Gay Icons: Introduction by Sandi Toksvig. Essay by Richard Dyer. London: National Portrait Gallery, 2009.
Citação MLA (8ª ed.)National Portrait Gallery <London>, et al. Gay Icons: Introduction by Sandi Toksvig. Essay by Richard Dyer. National Portrait Gallery, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.