APA (7th ed.) Citation

Geological Museum & Dunning, F. W. (1981). The Story of the Earth (2nd ed.). H.M.S.O.

Chicago Style (17th ed.) Citation

Geological Museum and F. W. Dunning. The Story of the Earth. 2nd ed. London: H.M.S.O, 1981.

MLA (9th ed.) Citation

Geological Museum and F. W. Dunning. The Story of the Earth. 2nd ed. H.M.S.O, 1981.