APA (7th ed.) Citation

Geological Survey of Papua New Guinea & PNG Chamber of Mines and Petroleum. (1989). Papua New Guinea geology and earth resources information system: Library catalogue. Geological Survey of Papua New Guinea ; PNG Chamber of Mines and Petroleum.

Chicago Style (17th ed.) Citation

Geological Survey of Papua New Guinea and PNG Chamber of Mines and Petroleum. Papua New Guinea Geology and Earth Resources Information System: Library Catalogue. Port Moresby: Geological Survey of Papua New Guinea ; PNG Chamber of Mines and Petroleum, 1989.

MLA (9th ed.) Citation

Geological Survey of Papua New Guinea and PNG Chamber of Mines and Petroleum. Papua New Guinea Geology and Earth Resources Information System: Library Catalogue. Geological Survey of Papua New Guinea ; PNG Chamber of Mines and Petroleum, 1989.