APA (7th ed.) Citation

Toksvig, S., Dyer, R., & ill. (2009). Gay Icons. London: National Portrait Gallery.

Chicago Style (17th ed.) Citation

Toksvig, Sandi, Richard Dyer, and ill. Gay Icons. London: National Portrait Gallery, 2009.

MLA (8th ed.) Citation

Toksvig, Sandi, et al. Gay Icons. London: National Portrait Gallery, 2009.