APA (7th ed.) Citation

Papua and New Guinea. (1968). Annual summary of activities, 1968. Geological and Volcanological Branch.

Chicago Style (17th ed.) Citation

Papua and New Guinea. Annual Summary of Activities, 1968. [Port Moresby]: Geological and Volcanological Branch, 1968.

MLA (9th ed.) Citation

Papua and New Guinea. Annual Summary of Activities, 1968. Geological and Volcanological Branch, 1968.

Warning: These citations may not always be 100% accurate.