Cita APA (7a ed.)

Bienz, D. (1993). The why and how of home horticulture (Second edition.). W.H. Freeman and Company.

Cita Chicago Style (17a ed.)

Bienz, D.R. The Why and How of Home Horticulture. Second edition. New York, USA: W.H. Freeman and Company, 1993.

Cita MLA (9a ed.)

Bienz, D.R. The Why and How of Home Horticulture. Second edition. W.H. Freeman and Company, 1993.