APA (7th ed.) Citation

Philbrick, J. H., & Philbrick, H. L. P. (1980). Gardening for health and nutrition: An introduction to the method of bio-dynamic gardening inaugurated by Rudolf Steiner. Harper & Row.

Chicago Style (17th ed.) Citation

Philbrick, John H., and Helen Louise Porter Philbrick. Gardening for Health and Nutrition: An Introduction to the Method of Bio-dynamic Gardening Inaugurated by Rudolf Steiner. San Francisco: Harper & Row, 1980.

MLA (9th ed.) Citation

Philbrick, John H., and Helen Louise Porter Philbrick. Gardening for Health and Nutrition: An Introduction to the Method of Bio-dynamic Gardening Inaugurated by Rudolf Steiner. Harper & Row, 1980.

Warning: These citations may not always be 100% accurate.