Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Sibley, Charles Gald, y Burt L. Monroe. A Supplement to Distribution and Taxonomy of Birds of the World. New Haven [etc.]: Yale University Press, 1993.

Cita MLA (9a ed.)

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