APA (7th ed.) Citation

English Heritage, Odgers, D., & Croft, C. (2012). Practical building conservation. English Heritage/Ashgate.

Chicago Style (17th ed.) Citation

English Heritage, David Odgers, and Catherine Croft. Practical Building Conservation. Farnham, England ; Burlington, VT: English Heritage/Ashgate, 2012.

MLA (9th ed.) Citation

English Heritage, et al. Practical Building Conservation. English Heritage/Ashgate, 2012.