Cita APA

Adams, C. R., Bamford, K. M., & Early, M. P. (2008). Principles of Horticulture.

Chicago Edition Citation

Adams, C R., K M. Bamford, i M P. Early. Principles of Horticulture. Amsterdam, Buttorworth- Heineman, 2008.

Cita MLA

Adams, C R., et al. Principles of Horticulture. 2008.