The letters of Queen Victoria,
a selection from Her Majesty's correspondence between the years 1837 and 1861,
published by authority of His Majesty the king;

APA Citation

Victoria, Q. of Great Britain., Esher, R. Baliol Brett., Benson, A. Christopher. (1907). The letters of Queen Victoria: a selection from Her Majesty's correspondence between the years 1837 and 1861. London: J. Murray.

MLA Citation

Victoria, Queen of Great Britain, 1819-1901, Reginald Baliol Brett Esher, and Arthur Christopher Benson. The Letters of Queen Victoria: a Selection From Her Majesty's Correspondence Between the Years 1837 And 1861. London: J. Murray, 1907.

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