APA (7th ed.) Citation

Collins, W. W. (2010). Cathedral Cities of Spain: 60 Reproductions from Original Water Colours. Project Gutenberg.

Chicago Style (17th ed.) Citation

Collins, W. W. Cathedral Cities of Spain: 60 Reproductions from Original Water Colours. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Collins, W. W. Cathedral Cities of Spain: 60 Reproductions from Original Water Colours. Project Gutenberg, 2010.

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