APA (7th ed.) Citation

Cowling, T. G. (1950). Molecules in motion. Hutchinson's University Library.

Chicago Style (17th ed.) Citation

Cowling, T. G. Molecules in Motion. London, New York: Hutchinson's University Library, 1950.

MLA (9th ed.) Citation

Cowling, T. G. Molecules in Motion. Hutchinson's University Library, 1950.