APA

Groombridge B., Jenkins M. D., . (2000). Global biodiversity earth's living resources in the 21st century. Cambridge: World Conservation Press.

Chicago

Groombridge B, Jenkins M D, . 2000. Global biodiversity earth's living resources in the 21st century. Cambridge: World Conservation Press.

Harvard

Groombridge B., Jenkins M. D., . (2000). Global biodiversity earth's living resources in the 21st century. Cambridge: World Conservation Press.

MLA

Groombridge B, Jenkins M D, . Global biodiversity earth's living resources in the 21st century. Cambridge: World Conservation Press. 2000.