APA citiranje

Benson, S., & Nagel, R. (2004). Endangered species (Second edition.). UXL.

Chicago Style (17th ed.) Citation

Benson, Sonia, and Rob Nagel. Endangered Species. Second edition. Farmington Hills, MI: UXL, 2004.

MLA citiranje

Benson, Sonia, and Rob Nagel. Endangered Species. Second edition. UXL, 2004.