APA-Zitierstil (7. Ausg.)

Blanchard, B. D. (1941). The white-crowned sparrows (Zonotrichia leucophrys) opf the Pacific seaboard: Environment and annual cycle. Univ. of California Press.

Chicago-Zitierstil (17. Ausg.)

Blanchard, Barbara D. The White-crowned Sparrows (Zonotrichia Leucophrys) Opf the Pacific Seaboard: Environment and Annual Cycle. Berkeley u.a: Univ. of California Press, 1941.

MLA-Zitierstil (9. Ausg.)

Blanchard, Barbara D. The White-crowned Sparrows (Zonotrichia Leucophrys) Opf the Pacific Seaboard: Environment and Annual Cycle. Univ. of California Press, 1941.