Cita APA (7th ed.)
Lovegrove, R. (2007). Silent fields: The long decline of a nation's wildlife. Oxford University Press.
Cita Chicago (17th ed.)
Lovegrove, Roger. Silent Fields: The Long Decline of a Nation's Wildlife. Oxford: Oxford University Press, 2007.
Cita MLA (9th ed.)
Lovegrove, Roger. Silent Fields: The Long Decline of a Nation's Wildlife. Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.