APA (7th ed.) Citation

Dury, G. H. (1973). The face of the earth (3.ed.repr.). Penguin Books.

Chicago Style (17th ed.) Citation

Dury, G. H. The Face of the Earth. 3.ed.repr. Harmondsworth: Penguin Books, 1973.

MLA (9th ed.) Citation

Dury, G. H. The Face of the Earth. 3.ed.repr. Penguin Books, 1973.