APA (7e ed.) Bronvermelding

Duckworth, H. E. (1963). Little men in the unseen world: A guide to atomic physics. Macmillan.

Chicago (17e ed.) Bronvermelding

Duckworth, Henry E. Little Men in the Unseen World: A Guide to Atomic Physics. London: Macmillan, 1963.

MLA (9e ed.) Bronvermelding

Duckworth, Henry E. Little Men in the Unseen World: A Guide to Atomic Physics. Macmillan, 1963.