Citazione Stile APA (7a Edizione)
Bryson, N. S., & Quarles, S. P. (2003). Have you got a license for that tree?: (and can you afford to use it?). Environmental Law Institute.
Citazione stile Chigago Style (17a edizione)
Bryson, Nancy Southard, e Steven P. Quarles. Have You Got a License for That Tree?: (and Can You Afford to Use It?). Washington, D.C.: Environmental Law Institute, 2003.
Citatione MLA (9a ed.)
Bryson, Nancy Southard, e Steven P. Quarles. Have You Got a License for That Tree?: (and Can You Afford to Use It?). Environmental Law Institute, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.