APA (7th ed.) Citation

Sibley, C. G., & Monroe, B. L. (1993). A supplement to Distribution and taxonomy of birds of the world. Yale Univ. Press.

Chicago Style (17th ed.) Citation

Sibley, Charles G., and Burt L. Monroe. A Supplement to Distribution and Taxonomy of Birds of the World. New Haven [u.a.]: Yale Univ. Press, 1993.

MLA (9th ed.) Citation

Sibley, Charles G., and Burt L. Monroe. A Supplement to Distribution and Taxonomy of Birds of the World. Yale Univ. Press, 1993.