APA

Haffer J., .Geologic-climatic history and zoogeographic significance of the Uraba region in northwestern Colombia. : .

Chicago

Haffer Jurgen, .Geologic-climatic history and zoogeographic significance of the Uraba region in northwestern Colombia. : .

Harvard

Haffer J., .Geologic-climatic history and zoogeographic significance of the Uraba region in northwestern Colombia. : .

MLA

Haffer Jurgen, .: . .