APA

Woodwell G. M., Whittaker R. H., .Primary production in terrestrial ecosystems. : .

Chicago

Woodwell George M, Whittaker Robert H, .Primary production in terrestrial ecosystems. : .

Harvard

Woodwell G. M., Whittaker R. H., .Primary production in terrestrial ecosystems. : .

MLA

Woodwell George M, Whittaker Robert H, .: . .