Shewell-Cooper, W. E. (1970). The ABC of soils: Humus and health. Teach Yourself Books.
芝加哥风格引文Shewell-Cooper, W. E. The ABC of Soils: Humus and Health. London: Teach Yourself Books, 1970.
MLA引文Shewell-Cooper, W. E. The ABC of Soils: Humus and Health. Teach Yourself Books, 1970.
警告：这些引文格式不一定是100％准确.