Gilbert, O. L. (1991). The ecology of urban habitats. Chapman and Hall.
芝加哥风格引文Gilbert, O. L. The Ecology of Urban Habitats. London ; New York: Chapman and Hall, 1991.
MLA引文Gilbert, O. L. The Ecology of Urban Habitats. Chapman and Hall, 1991.
警告：这些引文格式不一定是100％准确.