APA (7th ed.) Citation

Halstead, K., & Deutrom, B. (1988). Papua New Guinea in the world. Dept. of Health, P.N.G..

Chicago Style (17th ed.) Citation

Halstead, Kate, and Brian Deutrom. Papua New Guinea in the World. Port Moresby: Dept. of Health, P.N.G., 1988.

MLA (9th ed.) Citation

Halstead, Kate, and Brian Deutrom. Papua New Guinea in the World. Dept. of Health, P.N.G., 1988.