APA (7th ed.) Citation

Hoyle, F. (1960). The black cloud. Heinemann Educational.

Chicago Style (17th ed.) Citation

Hoyle, Fred. The Black Cloud. London: Heinemann Educational, 1960.

MLA (9th ed.) Citation

Hoyle, Fred. The Black Cloud. Heinemann Educational, 1960.

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