APA

Cruden R. W., Toledo V. M., .Oriole pollination of Erythrina breviflora (<Leguminosae>): evidence for a polytypie view of ornithophily. : .

Chicago

Cruden Robert William, Toledo Victor Manuel, .Oriole pollination of Erythrina breviflora (<Leguminosae>): evidence for a polytypie view of ornithophily. : .

Harvard

Cruden R. W., Toledo V. M., .Oriole pollination of Erythrina breviflora (<Leguminosae>): evidence for a polytypie view of ornithophily. : .

MLA

Cruden Robert William, Toledo Victor Manuel, .: . .