APA (7th ed.) Citation

Williamson, J. (1988). Perennial gardens: A practical guide to home landscaping. Harper & Row.

Chicago Style (17th ed.) Citation

Williamson, John. Perennial Gardens: A Practical Guide to Home Landscaping. New York: Harper & Row, 1988.

MLA (9th ed.) Citation

Williamson, John. Perennial Gardens: A Practical Guide to Home Landscaping. Harper & Row, 1988.

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