APA (7th ed.) Citation

Ai. (1987). Cruelty ; Killing floor: Poems. Thunder's Mouth Press.

Chicago Style (17th ed.) Citation

Ai. Cruelty ; Killing Floor: Poems. New York: Thunder's Mouth Press, 1987.

MLA (9th ed.) Citation

Ai. Cruelty ; Killing Floor: Poems. Thunder's Mouth Press, 1987.

Warning: These citations may not always be 100% accurate.