APA (7e ed.) Bronvermelding

Carnegie Institution of Washington & Carnegie Institution of Washington. Geophysical Laboratory. (1907). Annual report of the director of the Geophysical Laboratory. Carnegie Institution.

Chicago (17e ed.) Bronvermelding

Carnegie Institution of Washington en Carnegie Institution of Washington. Geophysical Laboratory. Annual Report of the Director of the Geophysical Laboratory. Washington: Carnegie Institution, 1907.

MLA (8e ed.) Bronvermelding

Carnegie Institution of Washington en Carnegie Institution of Washington. Geophysical Laboratory. Annual Report of the Director of the Geophysical Laboratory. Carnegie Institution, 1907.