Nelson, A. (1946). Principles of agricultural botany. T. Nelson and sons ltd.
芝加哥风格引文Nelson, Alexander. Principles of Agricultural Botany. London ; New York [etc.]: T. Nelson and sons ltd, 1946.
MLA引文Nelson, Alexander. Principles of Agricultural Botany. T. Nelson and sons ltd, 1946.
警告：这些引文格式不一定是100％准确.