Cita APA (7a ed.)
ebrary, Inc, & Donald, P. F. (2010). Facing extinction: The world's rarest birds and the race to save them. T & AD Poyser.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Paul F. Donald. Facing Extinction: The World's Rarest Birds and the Race to Save Them. London: T & AD Poyser, 2010.
Cita MLA (9a ed.)
ebrary, Inc, y Paul F. Donald. Facing Extinction: The World's Rarest Birds and the Race to Save Them. T & AD Poyser, 2010.
Precaución: Estas citas no son 100% exactas.