APA

Black J., . (1976). Activities report from the "Galapagos information center". : .

Chicago

Black Juan, . 1976. Activities report from the "Galapagos information center". : .

Harvard

Black J., . (1976). Activities report from the "Galapagos information center". : .

MLA

Black Juan, . Activities report from the "Galapagos information center". : . 1976.