APA (7th ed.) Citation

Joyce, H. (2011). The History of the Post Office From Its Establishment Down to 1836. Project Gutenberg.

Chicago Style (17th ed.) Citation

Joyce, Herbert. The History of the Post Office From Its Establishment Down to 1836. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Joyce, Herbert. The History of the Post Office From Its Establishment Down to 1836. Project Gutenberg, 2011.

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