Não informado. Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution of Washington.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Report of the Director of the Geophysical Laboratory. Washington: Carnegie Institution of Washington.
Citação MLA (8ª ed.)Não informado. Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution of Washington.
Atenció: Aquestes cites poden no estar 100% correctes.