APA (7th ed.) Citation

Hoyle, F., Hoyle, G., & Hoyle, B. (1978). The Westminster disaster. Heinemann.

Chicago Style (17th ed.) Citation

Hoyle, Fred, Geoffrey Hoyle, and Barbara Hoyle. The Westminster Disaster. London: Heinemann, 1978.

MLA (8th ed.) Citation

Hoyle, Fred, et al. The Westminster Disaster. Heinemann, 1978.