APA

V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, Carter L. M. & Geological Survey (U.S.). (1990). USGS research on energy resources--1990: program and abstracts. Reston, Va: U.S. Geological Survey.

Chicago

V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, Carter Lorna M and Geological Survey (U.S.). 1990. USGS research on energy resources--1990: program and abstracts. Reston, Va: U.S. Geological Survey.

Harvard

V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, Carter L. M. and Geological Survey (U.S.). (1990). USGS research on energy resources--1990: program and abstracts. Reston, Va: U.S. Geological Survey.

MLA

V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, V.E. McKelvey Forum on Mineral and Energy Resources, Carter Lorna M and Geological Survey (U.S.). USGS research on energy resources--1990: program and abstracts. Reston, Va: U.S. Geological Survey. 1990.