Cita APA (7th ed.)
Chapman, B. R., & Bolen, E. G. (2015). Ecology of North America (Second edition.). Wiley Blackwell.
Cita Chicago (17th ed.)
Chapman, Brian R., i Eric G. Bolen. Ecology of North America. Second edition. West Sussex, England: Wiley Blackwell, 2015.
Cita MLA (9th ed.)
Chapman, Brian R., i Eric G. Bolen. Ecology of North America. Second edition. Wiley Blackwell, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.