APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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