APA

Beagle Peter S, . (1971). The last unicorn. New York: Viking Press.

Chicago

Beagle Peter S, . 1971. The last unicorn. New York: Viking Press.

Harvard

Beagle Peter S, . (1971). The last unicorn. New York: Viking Press.

MLA

Beagle Peter S, . The last unicorn. New York: Viking Press. 1971.