Cita APA

Svendsen, K. L. 1., McLean, S. J., & Flanagan, W. V. (1980). A directory of geomagnetic observatories with high-resolution digital results, 1987. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce.

Citación estilo Chicago

Svendsen, Kendall Lorraine 1919-, S. J. McLean, y W. V. Flanagan. A Directory of Geomagnetic Observatories With High-resolution Digital Results, 1987. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce, 1980.

Cita MLA

Svendsen, Kendall Lorraine 1919-, S. J. McLean, y W. V. Flanagan. A Directory of Geomagnetic Observatories With High-resolution Digital Results, 1987. Boulder, Colo.: World Data Center a for Solid Earth Geophysics U S Dept of Commerce, 1980.