APA (7th ed.) Citation

Schmoker, J. W., Michalski, T. C., & Worl, P. B. (1984). Nonprofit sample and core repositories open to the public in the United States. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Schmoker, J. W., Thomas C. Michalski, and Patricia B. Worl. Nonprofit Sample and Core Repositories Open to the Public in the United States. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.

MLA (9th ed.) Citation

Schmoker, J. W., et al. Nonprofit Sample and Core Repositories Open to the Public in the United States. U.S. Dept. of the Interior, Geological Survey, 1984.