Gunn, T., & Gunn, A. (1973). Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber.
Chicago-Zitierstil (17. Ausg.)Gunn, Thom, und Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. London: Faber and Faber, 1973.
MLA-Zitierstil (8. Ausg.)Gunn, Thom, und Ander Gunn. Positives: Verses by Thom Gunn. Photographs by Ander Gunn. Faber and Faber, 1973.
警告：這些引文格式不一定是100％准確.