APA-Zitierstil (7. Ausg.)

Leen, N. (1975). And then there were none: America's vanishing wildlife (2. print.). Holt, Rinehart and Winston.

Chicago-Zitierstil (17. Ausg.)

Leen, Nina. And Then There Were None: America's Vanishing Wildlife. 2. print. New York, Chicago, San Francisco: Holt, Rinehart and Winston, 1975.

MLA-Zitierstil (9. Ausg.)

Leen, Nina. And Then There Were None: America's Vanishing Wildlife. 2. print. Holt, Rinehart and Winston, 1975.