APA (7th ed.) Citation

Middleton, J. (1986). The Underground Atlas: A Gazetteer Of The World's Cave Regions. Robert Hale Ltd..

Chicago Style (17th ed.) Citation

Middleton, John. The Underground Atlas: A Gazetteer Of The World's Cave Regions. London: Robert Hale Ltd., 1986.

MLA (9th ed.) Citation

Middleton, John. The Underground Atlas: A Gazetteer Of The World's Cave Regions. Robert Hale Ltd., 1986.

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