APA (7th ed.) Citation

Circum-Pacific Map Project, Circum-Pacific Council for Energy and Mineral Resources, American Association of Petroleum Geologists, & Williams and Heintz Map Corporation. (1977). Base map of the circum-Pacific region. American Association of Petroleum Geologists.

Chicago Style (17th ed.) Citation

Circum-Pacific Map Project, Circum-Pacific Council for Energy and Mineral Resources, American Association of Petroleum Geologists, and Williams and Heintz Map Corporation. Base Map of the Circum-Pacific Region. Tulsa, Okla.: American Association of Petroleum Geologists, 1977.

MLA (9th ed.) Citation

Circum-Pacific Map Project, et al. Base Map of the Circum-Pacific Region. American Association of Petroleum Geologists, 1977.