APA

Koepcke J., Kraft R., .External characters of the larger fruit bats of the genus Artibeus from Amazonian Peru. : .

Chicago

Koepcke Juliane, Kraft Richard, .External characters of the larger fruit bats of the genus Artibeus from Amazonian Peru. : .

Harvard

Koepcke J., Kraft R., .External characters of the larger fruit bats of the genus Artibeus from Amazonian Peru. : .

MLA

Koepcke Juliane, Kraft Richard, .: . .