APA

Grant B. R. G. P. R., . (1996). High survival of Darwin's finch hybrids: effects of beak morphology and diets. : .

Chicago

Grant B R Grant P R, . 1996. High survival of Darwin's finch hybrids: effects of beak morphology and diets. : .

Harvard

Grant B. R. G. P. R., . (1996). High survival of Darwin's finch hybrids: effects of beak morphology and diets. : .

MLA

Grant B R Grant P R, . High survival of Darwin's finch hybrids: effects of beak morphology and diets. : . 1996.