APA
Diehl C., . (1927). Byzantine portraits. New York: Alfred a Knopf.
Chicago
Diehl Charles, . 1927. Byzantine portraits. New York: Alfred a Knopf.
Harvard
Diehl C., . (1927). Byzantine portraits. New York: Alfred a Knopf.
MLA
Diehl Charles, . Byzantine portraits. New York: Alfred a Knopf. 1927.
