APA (7. basım) Alıntı
Black, G. (1992). Iowa birdlife. Published for the Nature Conservancy by the University of Iowa Press.
Chicago Style (17. basım) Atıf
Black, Gladys. Iowa Birdlife. Iowa City: Published for the Nature Conservancy by the University of Iowa Press, 1992.
MLA (9th ed.) Atıf
Black, Gladys. Iowa Birdlife. Published for the Nature Conservancy by the University of Iowa Press, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..