APA (7th ed.) Citation

Chapman, P. F., & Roberts, F. (1983). Metal resources and energy. Butterworths.

Chicago Style (17th ed.) Citation

Chapman, Peter F., and F. Roberts. Metal Resources and Energy. London u.a: Butterworths, 1983.

MLA (9th ed.) Citation

Chapman, Peter F., and F. Roberts. Metal Resources and Energy. Butterworths, 1983.