Post Office. Return of the number of chargeable letters delivered in the United Kingdom in each year from 1839 to 1853 inclusive.

MLA

Great Britain. Post Office. Return of the number of chargeable letters delivered in the United Kingdom in each year from 1839 to 1853 inclusive. Cambridge [eng.] : Proquest LLC, 2006.

APA

Great Britain. (1854). Post Office. Return of the number of chargeable letters delivered in the United Kingdom in each year from 1839 to 1853 inclusive. Cambridge [eng.] : Proquest LLC.

Chicago

Great Britain. Post Office. Return of the number of chargeable letters delivered in the United Kingdom in each year from 1839 to 1853 inclusive. Cambridge [eng.] : Proquest LLC, 2006.