APA (7th ed.) Citation

Bainbridge, D. (2012). Middle age a natural history. Portobello Books.

Chicago Style (17th ed.) Citation

Bainbridge, David. Middle Age a Natural History. London: Portobello Books, 2012.

MLA (8th ed.) Citation

Bainbridge, David. Middle Age a Natural History. Portobello Books, 2012.

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