APA (7th ed.) Citation

Latham, R. G. (2009). A Handbook of the English Language. Project Gutenberg.

Chicago Style (17th ed.) Citation

Latham, R. G. A Handbook of the English Language. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Latham, R. G. A Handbook of the English Language. Project Gutenberg, 2009.

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