APA (7th ed.) Citation

Hitchcock, H. R. (1968). Architecture: Nineteenth and twentieth centuries (3rd ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Hitchcock, Henry Russell. Architecture: Nineteenth and Twentieth Centuries. 3rd ed. Harmondsworth, Midd.: Penguin Books, 1968.

MLA (9th ed.) Citation

Hitchcock, Henry Russell. Architecture: Nineteenth and Twentieth Centuries. 3rd ed. Penguin Books, 1968.