Mercer, S., & Roth, S. (2009). 3 step vegetable gardening. Creative Homeowner.
Cita Chicago Style (17a ed.)Mercer, Steve, y Sally Roth. 3 Step Vegetable Gardening. Upper Saddle River, N.J.: Creative Homeowner, 2009.
Cita MLA (8a ed.)Mercer, Steve, y Sally Roth. 3 Step Vegetable Gardening. Creative Homeowner, 2009.
Precaución: Estas citas no son 100% exactas.