APA (7th ed.) Citation

Roberto, K. (2003). How to hydroponics: A practical guide to hydroponic gardening (4th ed.). The Futuregarden Press.

Chicago Style (17th ed.) Citation

Roberto, Keith. How to Hydroponics: A Practical Guide to Hydroponic Gardening. 4th ed. Farmingdale, N.Y.: The Futuregarden Press, 2003.

MLA (9th ed.) Citation

Roberto, Keith. How to Hydroponics: A Practical Guide to Hydroponic Gardening. 4th ed. The Futuregarden Press, 2003.