APA (7th ed.) Citation

Johnson, P. (1978). The National Trust book of British castles. Book Club Associates.

Chicago Style (17th ed.) Citation

Johnson, Paul. The National Trust Book of British Castles. London: Book Club Associates, 1978.

MLA (9th ed.) Citation

Johnson, Paul. The National Trust Book of British Castles. Book Club Associates, 1978.

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