Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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