APA (7th ed.) Citation

Johnson, K. (1993). The centre of the earth ([Hardback ed.].). Watts Books.

Chicago Style (17th ed.) Citation

Johnson, Kipchak. The Centre of the Earth. [Hardback ed.]. London: Watts Books, 1993.

MLA (9th ed.) Citation

Johnson, Kipchak. The Centre of the Earth. [Hardback ed.]. Watts Books, 1993.