APA (7th ed.) Citation

Impey, E., Miles, D., & Lea, R. (2017). The Great Barn of 1425-27 at Harmondsworth, Middlesex. Historic England.

Chicago Style (17th ed.) Citation

Impey, Edward, Daniel Miles, and Richard Lea. The Great Barn of 1425-27 at Harmondsworth, Middlesex. Swindon, England: Historic England, 2017.

MLA (9th ed.) Citation

Impey, Edward, et al. The Great Barn of 1425-27 at Harmondsworth, Middlesex. Historic England, 2017.