Cita APA (7a ed.)

Hitchcock, H. R. (1977). Architecture: Nineteenth and twentieth centuries (4th ed.). Penguin.

Cita Chicago Style (17a ed.)

Hitchcock, Henry Russell. Architecture: Nineteenth and Twentieth Centuries. 4th ed. Harmondsworth: Penguin, 1977.

Cita MLA (9a ed.)

Hitchcock, Henry Russell. Architecture: Nineteenth and Twentieth Centuries. 4th ed. Penguin, 1977.