APA (7th ed.) Citation

Wessex Project (England), Chamberlain, P., & Kelly, D. (1989). Energy for living (Rev. Nov. 1990.). Wessex Project.

Chicago Style (17th ed.) Citation

Wessex Project (England), Peter Chamberlain, and David Kelly. Energy for Living. Rev. Nov. 1990. [England]: Wessex Project, 1989.

MLA (8th ed.) Citation

Wessex Project (England), et al. Energy for Living. Rev. Nov. 1990. Wessex Project, 1989.