Cita APA

Kaufmann, J. (1969). Wings, sun, and stars: The story of bird migration. Morrow.

Citación estilo Chicago

Kaufmann, John. Wings, Sun, and Stars: The Story of Bird Migration. New York: Morrow, 1969.

Cita MLA

Kaufmann, John. Wings, Sun, and Stars: The Story of Bird Migration. Morrow, 1969.

Warning: These citations may not always be 100% accurate.