APA (7th ed.) Citation

Barnett, W., & Winskell, C. (1977). A study in conservation. Oriel Press.

Chicago Style (17th ed.) Citation

Barnett, Winston, and Cyril Winskell. A Study in Conservation. Stocksfield ; Boston: Oriel Press, 1977.

MLA (9th ed.) Citation

Barnett, Winston, and Cyril Winskell. A Study in Conservation. Oriel Press, 1977.