APA

Janzen D. H., . (1997). Causes and consequences of biodiversity loss. Washington: Island Press.

Chicago

Janzen Daniel H, . 1997. Causes and consequences of biodiversity loss. Washington: Island Press.

Harvard

Janzen D. H., . (1997). Causes and consequences of biodiversity loss. Washington: Island Press.

MLA

Janzen Daniel H, . Causes and consequences of biodiversity loss. Washington: Island Press. 1997.