APA (7th ed.) Citation

Howlett, D. (1973). Papua New Guinea, geography and change (Rev. & expanded metricated ed.). Nelson.

Chicago Style (17th ed.) Citation

Howlett, Diana. Papua New Guinea, Geography and Change. Rev. & expanded metricated ed. Melbourne: Nelson, 1973.

MLA (9th ed.) Citation

Howlett, Diana. Papua New Guinea, Geography and Change. Rev. & expanded metricated ed. Nelson, 1973.