APA引文

Black, G. (1992). Iowa birdlife. Published for the Nature Conservancy by the University of Iowa Press.

Chicago Style (17th ed.) Citation

Black, Gladys. Iowa Birdlife. Iowa City: Published for the Nature Conservancy by the University of Iowa Press, 1992.

MLA引文

Black, Gladys. Iowa Birdlife. Published for the Nature Conservancy by the University of Iowa Press, 1992.