APA (7th ed.) Citation

Tombs, R. C. (2010). The Bristol Royal Mail Post, Telegraph, and Telephone. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tombs, Robert Charles. The Bristol Royal Mail Post, Telegraph, and Telephone. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Tombs, Robert Charles. The Bristol Royal Mail Post, Telegraph, and Telephone. Project Gutenberg, 2010.

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