Biology and fertility of soils.
芝加哥风格引文Biology and Fertility of Soils.
MLA引文Biology and Fertility of Soils.
警告：这些引文格式不一定是100％准确.
APA引文
Biology and fertility of soils.
芝加哥风格引文Biology and Fertility of Soils.
MLA引文Biology and Fertility of Soils.