APA

Banks R. C., . (1964). Geographic variation in the white-crowned sparrow Zonotrichia leucophrys. Berkeley, Calif. [u.a.]: Univ. of California Press.

Chicago

Banks Richard C, . 1964. Geographic variation in the white-crowned sparrow Zonotrichia leucophrys. Berkeley, Calif. [u.a.]: Univ. of California Press.

Harvard

Banks R. C., . (1964). Geographic variation in the white-crowned sparrow Zonotrichia leucophrys. Berkeley, Calif. [u.a.]: Univ. of California Press.

MLA

Banks Richard C, . Geographic variation in the white-crowned sparrow Zonotrichia leucophrys. Berkeley, Calif. [u.a.]: Univ. of California Press. 1964.