Metcalf, W. (1959). Native trees of the San Francisco Bay region. University of California Press.
芝加哥风格引文Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. Berkeley: University of California Press, 1959.
MLA引文Metcalf, Woodbridge. Native Trees of the San Francisco Bay Region. University of California Press, 1959.
警告：这些引文格式不一定是100％准确.