APA

Handley C. O., Ferris K. C., .Description of new bats of the genus Vampyrops. : .

Chicago

Handley Charles O, Ferris Kay C, .Description of new bats of the genus Vampyrops. : .

Harvard

Handley C. O., Ferris K. C., .Description of new bats of the genus Vampyrops. : .

MLA

Handley Charles O, Ferris Kay C, .: . .