Brewer, R. (1979). Principles of ecology. Saunders.
芝加哥风格引文Brewer, Richard. Principles of Ecology. Philadelphia: Saunders, 1979.
MLA引文Brewer, Richard. Principles of Ecology. Saunders, 1979.
警告：这些引文格式不一定是100％准确.
APA引文
Brewer, R. (1979). Principles of ecology. Saunders.
芝加哥风格引文Brewer, Richard. Principles of Ecology. Philadelphia: Saunders, 1979.
MLA引文Brewer, Richard. Principles of Ecology. Saunders, 1979.