APA (7th ed.) Citation

Brown, C. R., & Brown, M. B. (1999). Barn swallow: Hirundo rustica. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Brown, Charles Robert, and Mary Bomberger Brown. Barn Swallow: Hirundo Rustica. Philadelphia, PA: Birds of North America, Inc., 1999.

MLA (9th ed.) Citation

Brown, Charles Robert, and Mary Bomberger Brown. Barn Swallow: Hirundo Rustica. Birds of North America, Inc., 1999.