Cita APA (7a ed.)

Krutch, J. W. (1962). A Treasure of birdlore.: By Joseph Wood. Paul S. Eriksson.

Cita Chicago Style (17a ed.)

Krutch, Joseph Wood. A Treasure of Birdlore.: By Joseph Wood. New York: Paul S. Eriksson, 1962.

Cita MLA (9a ed.)

Krutch, Joseph Wood. A Treasure of Birdlore.: By Joseph Wood. Paul S. Eriksson, 1962.

Precaución: Estas citas no son 100% exactas.