Tohutoro APA (7th ed.)

Keenan, J. (1988). Blue heaven. Penguin Books.

Tohutoru Kātū Chicago (17th ed.)

Keenan, Joe. Blue Heaven. New York: Penguin Books, 1988.

Tohutoro MLA (9th ed.)

Keenan, Joe. Blue Heaven. Penguin Books, 1988.