APA (7th ed.) Citation

Thornely, G. C., & Armitage, J. (1962). A Number of Things. Longman.

Chicago Style (17th ed.) Citation

Thornely, G. C., and J.C Armitage. A Number of Things. U.K: Longman, 1962.

MLA (9th ed.) Citation

Thornely, G. C., and J.C Armitage. A Number of Things. Longman, 1962.