Cita APA (7a ed.)

Heywood, V., & Watson, R. T. (1995). GLOBAL biodiversity assessment. Cambridge University Press.

Cita Chicago Style (17a ed.)

Heywood, V.H., y Robert T. Watson. GLOBAL Biodiversity Assessment. Cambridge: Cambridge University Press, 1995.

Cita MLA (8a ed.)

Heywood, V.H., y Robert T. Watson. GLOBAL Biodiversity Assessment. Cambridge University Press, 1995.