Emma Darwin, a century of family letters, 1792-1896,
ed. by her daughter Henrietta Litchfield ..

APA Citation

Litchfield, H. Emma Darwin. (1915). Emma Darwin, a century of family letters, 1792-1896. London: J. Murray.

MLA Citation

Litchfield, Henrietta Emma Darwin, 1843-. Emma Darwin, a Century of Family Letters, 1792-1896. London: J. Murray, 1915.

Warning: These citations may not always be complete (especially for serials).