APA (7th ed.) Citation

Warren, D. H. (1968). Transcontinental geophysical survey (35⁰-39⁰N): Seismic refraction profiles of the crust and upper mantle from 87⁰?to 100⁰?W longitude. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Warren, David H. Transcontinental Geophysical Survey (35⁰-39⁰N): Seismic Refraction Profiles of the Crust and Upper Mantle From 87⁰?to 100⁰?W Longitude. Washington, D.C.: U.S. Geological Survey, 1968.

MLA (8th ed.) Citation

Warren, David H. Transcontinental Geophysical Survey (35⁰-39⁰N): Seismic Refraction Profiles of the Crust and Upper Mantle From 87⁰?to 100⁰?W Longitude. U.S. Geological Survey, 1968.