APA (7th ed.) Citation

Johnson, R. W., & Davies, R. A. (1972). Volcanic geology of the St. Andrew Strait Islands, Bismarck Sea, Papua New Guinea. Dept. of Lands, Surveys and Mines.

Chicago Style (17th ed.) Citation

Johnson, R. W., and R. A. Davies. Volcanic Geology of the St. Andrew Strait Islands, Bismarck Sea, Papua New Guinea. Port Moresby: Dept. of Lands, Surveys and Mines, 1972.

MLA (9th ed.) Citation

Johnson, R. W., and R. A. Davies. Volcanic Geology of the St. Andrew Strait Islands, Bismarck Sea, Papua New Guinea. Dept. of Lands, Surveys and Mines, 1972.