APA

Turner J. R. G., .Genetics of some Polymorphic forms of the butterflies Heliconius melpomene (<Linnaeus>) and H. erato (<Lennaeus: the Hybridization of subspecies of H. melpomene from Surinam and Trinidad. : .

Chicago

Turner John R G, .Genetics of some Polymorphic forms of the butterflies Heliconius melpomene (<Linnaeus>) and H. erato (<Lennaeus: the Hybridization of subspecies of H. melpomene from Surinam and Trinidad. : .

Harvard

Turner J. R. G., .Genetics of some Polymorphic forms of the butterflies Heliconius melpomene (<Linnaeus>) and H. erato (<Lennaeus: the Hybridization of subspecies of H. melpomene from Surinam and Trinidad. : .

MLA

Turner John R G, .: . .