Gaya APA

Wallace, A, R. ([s.a]). The Malay archipelago: the land of the orang utan and the bird of paradise a narrative of travel with studies of man and nature . Singapore: [s.n].

Gaya MLA

Wallace, Alfred, Russel. "The Malay archipelago: the land of the orang utan and the bird of paradise a narrative of travel with studies of man and nature". Singapore: [s.n], [s.a]. Cetak.