APA (7th ed.) Citation

Papua New Guinea & Papua New Guinea. Dept. of Information and Extension Services. (1973). Water conservation. Dept. of Information and Extension Services for Dept. of the Treasury.

Chicago Style (17th ed.) Citation

Papua New Guinea and Papua New Guinea. Dept. of Information and Extension Services. Water Conservation. Port Moresby: Dept. of Information and Extension Services for Dept. of the Treasury, 1973.

MLA (9th ed.) Citation

Papua New Guinea and Papua New Guinea. Dept. of Information and Extension Services. Water Conservation. Dept. of Information and Extension Services for Dept. of the Treasury, 1973.