APA (7th ed.) Citation

Bowen, R., & Gunatilaka, A. (1977). Copper, its geology and economics. Wiley.

Chicago Style (17th ed.) Citation

Bowen, Robert, and Ananda Gunatilaka. Copper, Its Geology and Economics. New York: Wiley, 1977.

MLA (9th ed.) Citation

Bowen, Robert, and Ananda Gunatilaka. Copper, Its Geology and Economics. Wiley, 1977.