APA (7th ed.) Citation

Ord-Hume, A. W. J. G. (1977). Perpetual motion: The history of an obsession. St. Martin's Press.

Chicago Style (17th ed.) Citation

Ord-Hume, Arthur W. J. G. Perpetual Motion: The History of an Obsession. New York: St. Martin's Press, 1977.

MLA (9th ed.) Citation

Ord-Hume, Arthur W. J. G. Perpetual Motion: The History of an Obsession. St. Martin's Press, 1977.