APA (7th ed.) Citation

(1980). The official guide to Windsor Castle (25th ed.). Oxley & Son.

Chicago Style (17th ed.) Citation

The Official Guide to Windsor Castle. 25th ed. Windsor: Oxley & Son, 1980.

MLA (9th ed.) Citation

The Official Guide to Windsor Castle. 25th ed. Oxley & Son, 1980.

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