APA (7th ed.) Citation

Bell, M., & Sayer, S. (1975). Britain's national parks. David & Charles.

Chicago Style (17th ed.) Citation

Bell, Mervyn, and Sylvia Sayer. Britain's National Parks. Newton Abot [Eng.] ; North Pomfret, Vt.: David & Charles, 1975.

MLA (8th ed.) Citation

Bell, Mervyn, and Sylvia Sayer. Britain's National Parks. David & Charles, 1975.