Cita APA (7a ed.)

Keys, S. W., & MacCary, L. (1971). Application of borehole geophysics to water-resources investigations. United States Geological Survey.

Cita Chicago Style (17a ed.)

Keys, Scott W., y L.M MacCary. Application of Borehole Geophysics to Water-resources Investigations. Nueva York: United States Geological Survey, 1971.

Cita MLA (8a ed.)

Keys, Scott W., y L.M MacCary. Application of Borehole Geophysics to Water-resources Investigations. United States Geological Survey, 1971.