Cita APA (7th ed.)

Bily, C. A. (2008). Endangered species. Greenhaven.

Cita Chicago (17th ed.)

Bily, Cynthia A. Endangered Species. Detroit: Greenhaven, 2008.

Cita MLA (8th ed.)

Bily, Cynthia A. Endangered Species. Greenhaven, 2008.