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.