APA (7th ed.) Citation

Lymington, J. (1967). Ten million years to Friday ([First paperback ed.].). Lancer.

Chicago Style (17th ed.) Citation

Lymington, John. Ten Million Years to Friday. [First paperback ed.]. New York: Lancer, 1967.

MLA (8th ed.) Citation

Lymington, John. Ten Million Years to Friday. [First paperback ed.]. Lancer, 1967.