APA

Keller H., . (19741969). The Renaissance in Italy: painting, sculpture, architecture. New York: H. N. Abrams.

Chicago

Keller Harald, . 19741969. The Renaissance in Italy: painting, sculpture, architecture. New York: H. N. Abrams.

Harvard

Keller H., . (19741969). The Renaissance in Italy: painting, sculpture, architecture. New York: H. N. Abrams.

MLA

Keller Harald, . The Renaissance in Italy: painting, sculpture, architecture. New York: H. N. Abrams. 19741969.