APA (7th ed.) Citation

Geological Survey (U.S.) & Hren, J. (1987). Phase 1: Inventory and evaluation of 1984 programs and costs. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Janet Hren. Phase 1: Inventory and Evaluation of 1984 Programs and Costs. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Janet Hren. Phase 1: Inventory and Evaluation of 1984 Programs and Costs. Dept. of the Interior, U.S. Geological Survey, 1987.