Kieran. Urban Ornithology. Cornell University Press.
芝加哥风格引文Kieran. Urban Ornithology. Cornell University Press.
MLA引文Kieran. Urban Ornithology. Cornell University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Kieran. Urban Ornithology. Cornell University Press.
芝加哥风格引文Kieran. Urban Ornithology. Cornell University Press.
MLA引文Kieran. Urban Ornithology. Cornell University Press.