APA

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

Chicago

Amberg George, . 1949. Ballet: The emergence of an American art. : New American Library, New York.

Harvard

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

MLA

Amberg George, . Ballet: The emergence of an American art. : New American Library, New York. 1949.