APA (7th ed.) Citation

Brown C. M. & Robinson, G. P. (1977). Kutubu, Papua New Guinea: Sheet SB/54-12 international index. Dept. of Lands, Surveys and Mines, Geological Survey of Papua New Guinea.

Chicago Style (17th ed.) Citation

Brown C. M. and G. P. Robinson. Kutubu, Papua New Guinea: Sheet SB/54-12 International Index. Port Moresby: Dept. of Lands, Surveys and Mines, Geological Survey of Papua New Guinea, 1977.

MLA (9th ed.) Citation

Brown C. M. and G. P. Robinson. Kutubu, Papua New Guinea: Sheet SB/54-12 International Index. Dept. of Lands, Surveys and Mines, Geological Survey of Papua New Guinea, 1977.