Gunn, T., & Gunn, A. (1973). Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber.
Citazione stile Chigago Style (17a edizione)Gunn, Thom, e Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. London: Faber and Faber, 1973.
Citatione MLA (8a ed.)Gunn, Thom, e Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.