APA

Young G. F., . (1933). The Medici, with 32 illustrations. New York: The Modern Library.

Chicago

Young G F, . 1933. The Medici, with 32 illustrations. New York: The Modern Library.

Harvard

Young G. F., . (1933). The Medici, with 32 illustrations. New York: The Modern Library.

MLA

Young G F, . The Medici, with 32 illustrations. New York: The Modern Library. 1933.