APA (7th ed.) Citation

Clarke, G. (2014). The Post Office of India and its Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Clarke, Geoffrey. The Post Office of India and Its Story. Project Gutenberg, 2014.

MLA (9th ed.) Citation

Clarke, Geoffrey. The Post Office of India and Its Story. Project Gutenberg, 2014.

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