Philbrick, J. H., & Philbrick, H. (1971). Organic gardening for health and nutrition: An introduction to the method of bio-dynamic gardening inaugurated by Rudolf Steiner. Castle Books.
芝加哥风格引文Philbrick, John H., 与 Helen Philbrick. Organic Gardening for Health and Nutrition: An Introduction to the Method of Bio-dynamic Gardening Inaugurated by Rudolf Steiner. New York: Castle Books, 1971.
MLA引文Philbrick, John H., 与 Helen Philbrick. Organic Gardening for Health and Nutrition: An Introduction to the Method of Bio-dynamic Gardening Inaugurated by Rudolf Steiner. Castle Books, 1971.
警告：这些引文格式不一定是100％准确.