APA (7th ed.) Citation

Wren, C. S., & Downes, K. (1988). Sir Christopher Wren: The design of St. Paul's Cathedral ([1st ed.].). Trefoil Book.

Chicago Style (17th ed.) Citation

Wren, Christopher Sir, and Kerry Downes. Sir Christopher Wren: The Design of St. Paul's Cathedral. [1st ed.]. London: Trefoil Book, 1988.

MLA (9th ed.) Citation

Wren, Christopher Sir, and Kerry Downes. Sir Christopher Wren: The Design of St. Paul's Cathedral. [1st ed.]. Trefoil Book, 1988.