APA (7th ed.) Citation

Westall, R. (1977). The Watch House / (by) Robert Westall. Macmillan.

Chicago Style (17th ed.) Citation

Westall, Robert. The Watch House / (by) Robert Westall. London (etc.): Macmillan, 1977.

MLA (9th ed.) Citation

Westall, Robert. The Watch House / (by) Robert Westall. Macmillan, 1977.

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