APA

Grant P. R. G. N., . (1979). Breeding and feeding of Galápagos mockingbirds, Nesomimus parvulus. : .

Chicago

Grant P R Grant N, . 1979. Breeding and feeding of Galápagos mockingbirds, Nesomimus parvulus. : .

Harvard

Grant P. R. G. N., . (1979). Breeding and feeding of Galápagos mockingbirds, Nesomimus parvulus. : .

MLA

Grant P R Grant N, . Breeding and feeding of Galápagos mockingbirds, Nesomimus parvulus. : . 1979.