APA (7th ed.) Citation

Origo, I. (1949). The last attachment : the story of Byron and Teresa Guiccioli as told in their unpublished letters and other family papers / Iris Origo: The story of Byron and Teresa Guiccioli as told in their unpublished letters and other family papers. Jonathan Cape and John Murray.

Chicago Style (17th ed.) Citation

Origo, Iris. The Last Attachment : The Story of Byron and Teresa Guiccioli as Told in Their Unpublished Letters and Other Family Papers / Iris Origo: The Story of Byron and Teresa Guiccioli as Told in Their Unpublished Letters and Other Family Papers. London: Jonathan Cape and John Murray, 1949.

MLA (9th ed.) Citation

Origo, Iris. The Last Attachment : The Story of Byron and Teresa Guiccioli as Told in Their Unpublished Letters and Other Family Papers / Iris Origo: The Story of Byron and Teresa Guiccioli as Told in Their Unpublished Letters and Other Family Papers. Jonathan Cape and John Murray, 1949.

Warning: These citations may not always be 100% accurate.