APA
Darton N. H., Stany Zjednoczone, . (1920). Geothermal data of the United States: including many original determinations of underground temperature. Washington: Government Printing Office.
Chicago
Darton Nelson Horatio, Stany Zjednoczone, . 1920. Geothermal data of the United States: including many original determinations of underground temperature. Washington: Government Printing Office.
Harvard
Darton N. H., Stany Zjednoczone, . (1920). Geothermal data of the United States: including many original determinations of underground temperature. Washington: Government Printing Office.
MLA
Darton Nelson Horatio, Stany Zjednoczone, . Geothermal data of the United States: including many original determinations of underground temperature. Washington: Government Printing Office. 1920.