APA (7th ed.) Citation

Bergquist, W. E. (1978). Worldwide directory of national earth-science agencies. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Bergquist, Wenonah E. Worldwide Directory of National Earth-science Agencies. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1978.

MLA (9th ed.) Citation

Bergquist, Wenonah E. Worldwide Directory of National Earth-science Agencies. United States Department of the Interior, Geological Survey, 1978.