APA

Porter A. K., . (1967). Lombard architecture. New York: Hacker.

Chicago

Porter Arthur Kingsley, . 1967. Lombard architecture. New York: Hacker.

Harvard

Porter A. K., . (1967). Lombard architecture. New York: Hacker.

MLA

Porter Arthur Kingsley, . Lombard architecture. New York: Hacker. 1967.