Cita APA (7th ed.)

Reader's Digest Association & Chad, R. W. (2007). When nature turns nasty. Reader's Digest Association.

Cita Chicago (17th ed.)

Reader's Digest Association i Rachel Warren Chad. When Nature Turns Nasty. London: Reader's Digest Association, 2007.

Cita MLA (8th ed.)

Reader's Digest Association i Rachel Warren Chad. When Nature Turns Nasty. Reader's Digest Association, 2007.