Cita APA (7a ed.)

Presgrave, B. W., Needham, R. E., & Minsch, J. H. (1985). Seismograph station codes and coordinates (1985 ed.). U.S. Geological Survey.

Cita Chicago Style (17a ed.)

Presgrave, Bruce W., Russell E. Needham, y John H. Minsch. Seismograph Station Codes and Coordinates. 1985 ed. Denver, Colo.: U.S. Geological Survey, 1985.

Cita MLA (8a ed.)

Presgrave, Bruce W., et al. Seismograph Station Codes and Coordinates. 1985 ed. U.S. Geological Survey, 1985.