APA način citiranja

Gray, J. E. (2003). Geologic Studies of mercury by the U.S. Geological Survey. US Geological Survey circular 1248.

Čikaški stil citiranja

Gray, John E. "Geologic Studies of Mercury By the U.S. Geological Survey." US Geological Survey Circular 1248 2003.

MLA način citiranja

Gray, John E. "Geologic Studies of Mercury By the U.S. Geological Survey." US Geological Survey Circular 1248 2003.

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