Cita APA (7th ed.)
Sutherland, W. J. (2015). What works in conservation 2015. Open Book Publishers.
Cita Chicago (17th ed.)
Sutherland, William J. What Works in Conservation 2015. Cambridge, England: Open Book Publishers, 2015.
Cita MLA (9th ed.)
Sutherland, William J. What Works in Conservation 2015. Open Book Publishers, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.