APA

Janzen D. H., Raven P. H., .Pollination by lemurs and marsupials: an archaic coevolutionary system. : .

Chicago

Janzen Daniel H, Raven Peter H, .Pollination by lemurs and marsupials: an archaic coevolutionary system. : .

Harvard

Janzen D. H., Raven P. H., .Pollination by lemurs and marsupials: an archaic coevolutionary system. : .

MLA

Janzen Daniel H, Raven Peter H, .: . .