Citace podle APA

Jeffreys, H. (1970). Earth: Its origin, history and physical constitution (5th ed.). Cambridge University Press.

Styl Chicago

Jeffreys, Harold. Earth: Its Origin, History and Physical Constitution. 5th ed. Cambridge: Cambridge University Press, 1970.

Citace podle MLA

Jeffreys, Harold. Earth: Its Origin, History and Physical Constitution. 5th ed. Cambridge University Press, 1970.

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