APA

Bowman R. I. C. A., . (1971). Egg-pecking behaviour in Galápagos mockingbirds. : .

Chicago

Bowman R I Carter A, . 1971. Egg-pecking behaviour in Galápagos mockingbirds. : .

Harvard

Bowman R. I. C. A., . (1971). Egg-pecking behaviour in Galápagos mockingbirds. : .

MLA

Bowman R I Carter A, . Egg-pecking behaviour in Galápagos mockingbirds. : . 1971.