APA

Blackburn T. M., Gaston K. J., .Spatial patterns in the species richness of birds in the New World. : .

Chicago

Blackburn Tim M, Gaston Kevin J, .Spatial patterns in the species richness of birds in the New World. : .

Harvard

Blackburn T. M., Gaston K. J., .Spatial patterns in the species richness of birds in the New World. : .

MLA

Blackburn Tim M, Gaston Kevin J, .: . .