APA (7th ed.) Citation

Toy, S. (1966). The castles of Great Britain / by S. Toy (4th ed.). Heinemann.

Chicago Style (17th ed.) Citation

Toy, S. The Castles of Great Britain / by S. Toy. 4th ed. Heinemann, 1966.

MLA (9th ed.) Citation

Toy, S. The Castles of Great Britain / by S. Toy. 4th ed. Heinemann, 1966.

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