APA (7th ed.) Citation

Roskill, S. (1970). Hankey: Man of secrets. Collins.

Chicago Style (17th ed.) Citation

Roskill, Stephen. Hankey: Man of Secrets. London: Collins, 1970.

MLA (8th ed.) Citation

Roskill, Stephen. Hankey: Man of Secrets. Collins, 1970.

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