Cita APA (7th ed.)
Rostal, D. C., McCoy, E. D., & Mushinsky, H. R. (2014). Biology and conservation of North American tortoises. Johns Hopkins University Press.
Cita Chicago (17th ed.)
Rostal, David C., Earl D. McCoy, i Henry R. Mushinsky. Biology and Conservation of North American Tortoises. Baltimore, Maryland: Johns Hopkins University Press, 2014.
Cita MLA (9th ed.)
Rostal, David C., et al. Biology and Conservation of North American Tortoises. Johns Hopkins University Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.