APA

Kemper Robert G, . (1977). An elephant's ballet : one man's successful struggle with sudden blindness. New York: Crossroad Book.

Chicago

Kemper Robert G, . 1977. An elephant's ballet : one man's successful struggle with sudden blindness. New York: Crossroad Book.

Harvard

Kemper Robert G, . (1977). An elephant's ballet : one man's successful struggle with sudden blindness. New York: Crossroad Book.

MLA

Kemper Robert G, . An elephant's ballet : one man's successful struggle with sudden blindness. New York: Crossroad Book. 1977.