APA (7th ed.) Citation

Guillery, P. (1993). The buildings of London Zoo. Royal Commission on the Historial Monuments of England.

Chicago Style (17th ed.) Citation

Guillery, Peter. The Buildings of London Zoo. London: Royal Commission on the Historial Monuments of England, 1993.

MLA (9th ed.) Citation

Guillery, Peter. The Buildings of London Zoo. Royal Commission on the Historial Monuments of England, 1993.