APA (7th ed.) Citation

Forester, C. S. (1967). Hornblower and the crisis: An unfinished novel. Pan Books.

Chicago Style (17th ed.) Citation

Forester, Cecil S. Hornblower and the Crisis: An Unfinished Novel. London: Pan Books, 1967.

MLA (9th ed.) Citation

Forester, Cecil S. Hornblower and the Crisis: An Unfinished Novel. Pan Books, 1967.