Cita APA

Flint, V. E. (1989). A field guide to birds of the USSR: Inclunding Eastern Europe and Central Asia. New York: Princeton University.

Citación estilo Chicago

Flint, V. E.. A Field Guide to Birds of the USSR: Inclunding Eastern Europe and Central Asia. New York: Princeton University, 1989.

Cita MLA

Flint, V. E.. A Field Guide to Birds of the USSR: Inclunding Eastern Europe and Central Asia. New York: Princeton University, 1989.