APA (7th ed.) Citation

Carr, J. D. (1964). Most secret. H. Hamilton.

Chicago Style (17th ed.) Citation

Carr, John Dickson. Most Secret. London: H. Hamilton, 1964.

MLA (8th ed.) Citation

Carr, John Dickson. Most Secret. H. Hamilton, 1964.

Warning: These citations may not always be 100% accurate.