Pfeffer, W., & Hale, J. G. (2004). From seed to pumpkin. HarperCollins Publishers.
Cita Chicago Style (17a ed.)Pfeffer, Wendy, y James Graham Hale. From Seed to Pumpkin. New York: HarperCollins Publishers, 2004.
Cita MLA (8a ed.)Pfeffer, Wendy, y James Graham Hale. From Seed to Pumpkin. HarperCollins Publishers, 2004.
Precaución: Estas citas no son 100% exactas.