APA (7th ed.) Citation

Amberg, G. (1949). Ballet: The emergence of an American art. New American Library.

Chicago Style (17th ed.) Citation

Amberg, George. Ballet: The Emergence of an American Art. New York: New American Library, 1949.

MLA (9th ed.) Citation

Amberg, George. Ballet: The Emergence of an American Art. New American Library, 1949.