APA (7th ed.) Citation

Hemmeon, J. C. (2013). The History of the British Post Office. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hemmeon, Joseph Clarence. The History of the British Post Office. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Hemmeon, Joseph Clarence. The History of the British Post Office. Project Gutenberg, 2013.

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