APA

Grant P. R. G. B. R., . (1992). Demography and the genetically effective sizes of two populations of Darwin's finches. : .

Chicago

Grant P R Grant B R, . 1992. Demography and the genetically effective sizes of two populations of Darwin's finches. : .

Harvard

Grant P. R. G. B. R., . (1992). Demography and the genetically effective sizes of two populations of Darwin's finches. : .

MLA

Grant P R Grant B R, . Demography and the genetically effective sizes of two populations of Darwin's finches. : . 1992.