Koch, L. (1929). Stratigraphy of Greenland: <With 8 Fig. in the Text>. Levin & Munksgaard.
Cita Chicago Style (17a ed.)Koch, Lauge. Stratigraphy of Greenland: <With 8 Fig. in the Text>. Copenhagen: Levin & Munksgaard, 1929.
Cita MLA (8a ed.)Koch, Lauge. Stratigraphy of Greenland: <With 8 Fig. in the Text>. Levin & Munksgaard, 1929.
Precaución: Estas citas no son 100% exactas.