Cita APA (7th ed.)

Groombridge, B. (1992). Global biodiversity: Status of the earth's living resources. IUCN Press.

Cita Chicago (17th ed.)

Groombridge, Brian. Global Biodiversity: Status of the Earth's Living Resources. London: IUCN Press, 1992.

Cita MLA (9th ed.)

Groombridge, Brian. Global Biodiversity: Status of the Earth's Living Resources. IUCN Press, 1992.