APA (7th ed.) Citation

National population census (Papua New Guinea: 1980) & Papua New Guinea. (1985). Final figures: Provincial summary. National Statistical Office.

Chicago Style (17th ed.) Citation

National population census (Papua New Guinea: 1980) and Papua New Guinea. Final Figures: Provincial Summary. Port Moresby: National Statistical Office, 1985.

MLA (9th ed.) Citation

National population census (Papua New Guinea: 1980) and Papua New Guinea. Final Figures: Provincial Summary. National Statistical Office, 1985.