APA (7th ed.) Citation

Arnold, G. O., Griffin, T. J., & Hodge, C. C. (1979). Geology of the Ok Tedi and Southern Atbalmin 1: 100,000 sheet. Dept. of Minerals and Energy.

Chicago Style (17th ed.) Citation

Arnold, G. O., T. J. Griffin, and C. C. Hodge. Geology of the Ok Tedi and Southern Atbalmin 1: 100,000 Sheet. Port Moresby: Dept. of Minerals and Energy, 1979.

MLA (9th ed.) Citation

Arnold, G. O., et al. Geology of the Ok Tedi and Southern Atbalmin 1: 100,000 Sheet. Dept. of Minerals and Energy, 1979.