APA (7th ed.) Citation

(2012). Collins' Illustrated Guide to London and Neighbourhood. Project Gutenberg.

Chicago Style (17th ed.) Citation

Collins' Illustrated Guide to London and Neighbourhood. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Collins' Illustrated Guide to London and Neighbourhood. Project Gutenberg, 2012.

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