Indian Meteorological Departament. (1955). The magnetic field about the Earth. India Meteorological Departament.
Cita Chicago Style (17a ed.)Indian Meteorological Departament. The Magnetic Field About the Earth. New Delhi: India Meteorological Departament, 1955.
Cita MLA (9a ed.)Indian Meteorological Departament. The Magnetic Field About the Earth. India Meteorological Departament, 1955.
Precaución: Estas citas no son 100% exactas.