Cita APA (7th ed.)

Porter, A. K. (1917). Lombard architecture. Hacker Art Book.

Cita Chicago (17th ed.)

Porter, Arthur Kingsley. Lombard Architecture. Nueva York: Hacker Art Book, 1917.

Cita MLA (9th ed.)

Porter, Arthur Kingsley. Lombard Architecture. Hacker Art Book, 1917.