Cita APA (7th ed.)

Gunn, T., & Gunn, A. (1973). Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber.

Cita Chicago (17th ed.)

Gunn, Thom, i Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. London: Faber and Faber, 1973.

Cita MLA (8th ed.)

Gunn, Thom, i Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber, 1973.