APA (7th ed.) Citation

Hardgrave, P. (1992). Improving garden soils. Avon Books.

Chicago Style (17th ed.) Citation

Hardgrave, Philip. Improving Garden Soils. New York: Avon Books, 1992.

MLA (9th ed.) Citation

Hardgrave, Philip. Improving Garden Soils. Avon Books, 1992.

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