APA (7th ed.) Citation

Davies, H. L. (1978). History of the Ok Tedi Porphyry Copper Prospect, Papua New Guinea. s.n.].

Chicago Style (17th ed.) Citation

Davies, H. L. History of the Ok Tedi Porphyry Copper Prospect, Papua New Guinea. [s.l.: s.n.], 1978.

MLA (9th ed.) Citation

Davies, H. L. History of the Ok Tedi Porphyry Copper Prospect, Papua New Guinea. s.n.], 1978.